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Trojan.DownLoader26.52977

Added to the Dr.Web virus database: 2018-06-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Classes\teamviewer8\shell\open\command] '' = '"%ProgramFiles%\TeamViewer\TeamViewer.exe" %1'
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\TeamViewer] 'Start' = '00000002'
  • [<HKLM>\SYSTEM\ControlSet001\Services\TeamViewer] 'ImagePath' = '"%ProgramFiles%\TeamViewer\TeamViewer_Service.exe"'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ProgramFiles%\TeamViewer\TeamViewer.exe' = '%ProgramFiles%\TeamViewer...
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ProgramFiles%\TeamViewer\TeamViewer_Service.exe' = '%ProgramFiles%\Te...
Modifies file system:
Creates the following files:
  • %TEMP%\1.tmp\tv.bat
  • %ProgramFiles%\TeamViewer\i386\TeamViewer.ppd
  • %ALLUSERSPROFILE%\Desktop\TeamViewer 10 Host.lnk
  • %ALLUSERSPROFILE%\Start Menu\Programs\TeamViewer 10\TeamViewer 10 Host.lnk
  • %TEMP%\nsj1D.tmp\ns1F.tmp
  • <SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\MetaData\2BF68F4714092295550497DD56F57004
  • %ProgramFiles%\TeamViewer\tvinfo.ini
  • %ProgramFiles%\TeamViewer\i386\TeamViewer.gpd
  • <SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\Content\2BF68F4714092295550497DD56F57004
  • %TEMP%\Cab20.tmp
  • %TEMP%\Cab22.tmp
  • %TEMP%\Cab24.tmp
  • %WINDIR%\Fonts\teamviewer10Host.otf
  • %TEMP%\nsj1D.tmp\ns26.tmp
  • <SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
  • <SYSTEM32>\config\systemprofile\Application Data\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
  • %TEMP%\nsj1D.tmp\FindProcDLL.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVMonitor.sy_
  • %WINDIR%\Installer\2533c.msi
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewervpn.cat
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\tvmonitor.cat
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\tvprint.cat
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\tvpsprint.cat
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewer.gpd
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TeamViewerVPN.inf
  • %ProgramFiles%\TeamViewer\TVExtractTemp\w2k\TeamViewerVPN.inf
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVMonitor.inf
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVPrint.inf
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVPSPrint.inf
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewer.ppd
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewervpn.sy_
  • %ProgramFiles%\TeamViewer\TVExtractTemp\w2k\teamviewervpn.sy_
  • %ProgramFiles%\TeamViewer\TeamViewer10_Logfile.log
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tv_x64.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\x86\Teamviewer_PrintProcessor.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_id.dll
  • %WINDIR%\Temp\Cab27.tmp
  • %TEMP%\Cab50.tmp
  • %TEMP%\Cab52.tmp
  • %TEMP%\Cab54.tmp
  • %TEMP%\Cab56.tmp
  • %TEMP%\Cab58.tmp
  • %TEMP%\Cab5A.tmp
  • %TEMP%\Cab5C.tmp
  • %TEMP%\Cab5E.tmp
  • %TEMP%\Cab60.tmp
  • %TEMP%\Cab62.tmp
  • %TEMP%\Cab64.tmp
  • %TEMP%\Cab66.tmp
  • %TEMP%\Cab68.tmp
  • %TEMP%\Cab6A.tmp
  • %TEMP%\Cab6C.tmp
  • %TEMP%\Cab4E.tmp
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tv_w32.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tvfilesx86.7z
  • %TEMP%\Cab48.tmp
  • %WINDIR%\Temp\Cab2A.tmp
  • %WINDIR%\Temp\Cab2C.tmp
  • %WINDIR%\Temp\Cab2E.tmp
  • %WINDIR%\Temp\Cab30.tmp
  • %WINDIR%\Temp\Cab32.tmp
  • %WINDIR%\Temp\Cab34.tmp
  • %WINDIR%\Temp\Cab36.tmp
  • %TEMP%\Cab38.tmp
  • %TEMP%\Cab3A.tmp
  • %TEMP%\Cab3C.tmp
  • %TEMP%\Cab3E.tmp
  • %TEMP%\Cab40.tmp
  • %TEMP%\Cab42.tmp
  • %TEMP%\Cab44.tmp
  • %TEMP%\Cab46.tmp
  • %TEMP%\Cab4A.tmp
  • %WINDIR%\Installer\{560FACF4-CB82-4575-9D65-7F810980036E}\_853F67D554F05449430E7E.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_StaticRes.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_zhTW.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_zhCN.dll
  • %TEMP%\nsj1D.tmp\TvGetVersion.dll
  • %TEMP%\nsj1D.tmp\UserInfo.dll
  • %TEMP%\nsj1D.tmp\System.dll
  • %TEMP%\nsj1D.tmp\nsExec.dll
  • %TEMP%\nsj1D.tmp\ns1E.tmp
  • %TEMP%\TeamViewer\TV10Install.log
  • %TEMP%\nsj1D.tmp\nsArray.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tvfiles.7z
  • %TEMP%\nsj1D.tmp\nsis7z.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\CopyRights_DE.txt
  • %ProgramFiles%\TeamViewer\TVExtractTemp\CopyRights_EN.txt
  • %ProgramFiles%\TeamViewer\TVExtractTemp\Lizenz_TeamViewer_DE_unicode.txt
  • %ProgramFiles%\TeamViewer\TVExtractTemp\Lizenz_TeamViewer_EN_unicode.txt
  • %ProgramFiles%\TeamViewer\tvca.dll
  • %TEMP%\Cab17.tmp
  • %TEMP%\nsz1C.tmp
  • %TEMP%\Cab6E.tmp
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer10Host.otf
  • %TEMP%\Cab15.tmp
  • %TEMP%\1.tmp\TeamViewer_Host.msi
  • %WINDIR%\Installer\25337.msi
  • %TEMP%\Cab3.tmp
  • %TEMP%\Cab5.tmp
  • %TEMP%\Cab7.tmp
  • %WINDIR%\Installer\25338.msi
  • %TEMP%\1.tmp\TeamViewer_Settings.reg
  • %TEMP%\Cab9.tmp
  • %TEMP%\CabD.tmp
  • %TEMP%\CabF.tmp
  • %WINDIR%\Installer\2533a.ipi
  • %WINDIR%\Installer\MSI11.tmp
  • C:\Config.Msi\2533b.rbs
  • %TEMP%\Cab13.tmp
  • %TEMP%\CabB.tmp
  • %TEMP%\Cab19.tmp
  • %TEMP%\Cab4C.tmp
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tv_w32.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_lt.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_nl.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_no.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_pl.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_pt.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ro.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ru.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_sk.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_sr.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_sv.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_th.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_tr.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_uk.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_vi.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Desktop.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ko.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Service.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ja.dll
  • %ProgramFiles%\TeamViewer\TeamViewer_Host_Setup.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tv_x64.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\uninstall.exe
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ar.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_bg.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_cs.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_da.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_de.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_el.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_en.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_es.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_fi.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_fr.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_he.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_hr.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_hu.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_it.dll
  • %TEMP%\Cab70.tmp
Deletes the following files:
  • %TEMP%\Cab3.tmp
  • %TEMP%\Cab46.tmp
  • %TEMP%\Cab44.tmp
  • %TEMP%\Cab42.tmp
  • %TEMP%\Cab40.tmp
  • %TEMP%\Cab3E.tmp
  • %TEMP%\Cab3C.tmp
  • %TEMP%\Cab48.tmp
  • %TEMP%\Cab3A.tmp
  • %WINDIR%\Temp\Cab36.tmp
  • %WINDIR%\Temp\Cab34.tmp
  • %WINDIR%\Temp\Cab32.tmp
  • %WINDIR%\Temp\Cab30.tmp
  • %WINDIR%\Temp\Cab2E.tmp
  • %WINDIR%\Temp\Cab2C.tmp
  • %TEMP%\Cab38.tmp
  • %TEMP%\Cab4A.tmp
  • %TEMP%\Cab4C.tmp
  • %TEMP%\Cab4E.tmp
  • %TEMP%\Cab6C.tmp
  • %TEMP%\Cab6A.tmp
  • %TEMP%\Cab68.tmp
  • %TEMP%\Cab66.tmp
  • %TEMP%\Cab64.tmp
  • %TEMP%\Cab62.tmp
  • %TEMP%\Cab60.tmp
  • %TEMP%\Cab5E.tmp
  • %TEMP%\Cab5C.tmp
  • %TEMP%\Cab5A.tmp
  • %TEMP%\Cab58.tmp
  • %TEMP%\Cab56.tmp
  • %TEMP%\Cab54.tmp
  • %TEMP%\Cab52.tmp
  • %TEMP%\Cab50.tmp
  • %WINDIR%\Temp\Cab2A.tmp
  • %TEMP%\Cab6E.tmp
  • %WINDIR%\Installer\2533a.ipi
  • C:\Config.Msi\2533b.rbs
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tvfilesx86.7z
  • %ProgramFiles%\TeamViewer\TVExtractTemp\tvfiles.7z
  • %TEMP%\nsj1D.tmp\ns1E.tmp
  • %TEMP%\Cab19.tmp
  • %TEMP%\Cab17.tmp
  • %TEMP%\Cab15.tmp
  • %TEMP%\Cab20.tmp
  • %TEMP%\Cab13.tmp
  • %TEMP%\CabD.tmp
  • %TEMP%\CabB.tmp
  • %TEMP%\Cab9.tmp
  • %WINDIR%\Installer\25337.msi
  • %TEMP%\Cab7.tmp
  • %TEMP%\Cab5.tmp
  • %TEMP%\CabF.tmp
  • %TEMP%\Cab22.tmp
  • %TEMP%\Cab24.tmp
  • %TEMP%\nsj1D.tmp\ns1F.tmp
  • %WINDIR%\Installer\MSI11.tmp
  • %WINDIR%\Temp\Cab27.tmp
  • %TEMP%\nsj1D.tmp\UserInfo.dll
  • %TEMP%\nsj1D.tmp\TvGetVersion.dll
  • %TEMP%\nsj1D.tmp\System.dll
  • %TEMP%\nsj1D.tmp\nsis7z.dll
  • %TEMP%\nsj1D.tmp\nsExec.dll
  • %TEMP%\nsj1D.tmp\nsArray.dll
  • %TEMP%\nsj1D.tmp\FindProcDLL.dll
  • %ProgramFiles%\TeamViewer\TVExtractTemp\w2k\teamviewervpn.sy_
  • %ProgramFiles%\TeamViewer\TVExtractTemp\w2k\TeamViewerVPN.inf
  • %TEMP%\TeamViewer\TVInstallTemp\TVFile140.bak
  • %TEMP%\TeamViewer\TVInstallTemp\TVFile127.bak
  • %TEMP%\TeamViewer\TVInstallTemp\TVFile126.bak
  • %TEMP%\nsj1D.tmp\ns26.tmp
  • %WINDIR%\Installer\25338.msi
  • %TEMP%\Cab70.tmp
Moves the following files:
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\CopyRights_DE.txt to %ProgramFiles%\TeamViewer\CopyRights_DE.txt
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_fi.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_fi.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_no.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_no.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ja.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_ja.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ru.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_ru.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ko.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_ko.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_cs.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_cs.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ar.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_ar.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_zhCN.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_zhCN.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_pl.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_pl.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_tr.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_tr.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_bg.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_bg.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_el.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_el.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_he.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_he.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewervpn.sy_ to %ProgramFiles%\TeamViewer\x86\TeamViewerVPN.sy_
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_hr.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_hr.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_id.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_id.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_lt.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_lt.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_ro.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_ro.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_sk.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_sk.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_sr.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_sr.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_th.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_th.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_uk.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_uk.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_vi.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_vi.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_zhTW.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_zhTW.dll
  • from %ProgramFiles%\TeamViewer\Lizenz_TeamViewer_EN_unicode.txt to %ProgramFiles%\TeamViewer\License.txt
  • from %ProgramFiles%\TeamViewer\CopyRights_EN.txt to %ProgramFiles%\TeamViewer\CopyRights.txt
  • from %ProgramFiles%\TeamViewer\Lizenz_TeamViewer_DE_unicode.txt to %TEMP%\TeamViewer\TVInstallTemp\TVFile126.bak
  • from %ProgramFiles%\TeamViewer\CopyRights_DE.txt to %TEMP%\TeamViewer\TVInstallTemp\TVFile127.bak
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_pt.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_pt.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_sv.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_sv.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_nl.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_nl.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_it.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_it.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_fr.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_fr.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\Lizenz_TeamViewer_DE_unicode.txt to %ProgramFiles%\TeamViewer\Lizenz_TeamViewer_DE_unicode.txt
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\Lizenz_TeamViewer_EN_unicode.txt to %ProgramFiles%\TeamViewer\Lizenz_TeamViewer_EN_unicode.txt
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer.exe to %ProgramFiles%\TeamViewer\TeamViewer.exe
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Desktop.exe to %ProgramFiles%\TeamViewer\TeamViewer_Desktop.exe
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Service.exe to %ProgramFiles%\TeamViewer\TeamViewer_Service.exe
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\uninstall.exe to %ProgramFiles%\TeamViewer\uninstall.exe
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_StaticRes.dll to %ProgramFiles%\TeamViewer\TeamViewer_StaticRes.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\tv_w32.dll to %ProgramFiles%\TeamViewer\tv_w32.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\tv_w32.exe to %ProgramFiles%\TeamViewer\tv_w32.exe
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\tv_x64.dll to %ProgramFiles%\TeamViewer\tv_x64.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\tv_x64.exe to %ProgramFiles%\TeamViewer\tv_x64.exe
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer10Host.otf to %ProgramFiles%\TeamViewer\teamviewer10Host.otf
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewervpn.cat to %ProgramFiles%\TeamViewer\x86\TeamViewerVPN.cat
  • from %ProgramFiles%\TeamViewer\x86\TeamViewerVPN.sy_ to %ProgramFiles%\TeamViewer\x86\teamviewervpn.sys
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_hu.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_hu.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TeamViewerVPN.inf to %ProgramFiles%\TeamViewer\x86\TeamViewerVPN.inf
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVMonitor.inf to %ProgramFiles%\TeamViewer\x86\TVMonitor.inf
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVMonitor.sy_ to %ProgramFiles%\TeamViewer\x86\TVMonitor.sy_
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\Teamviewer_PrintProcessor.dll to %ProgramFiles%\TeamViewer\x86\Teamviewer_PrintProcessor.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\tvprint.cat to %ProgramFiles%\TeamViewer\x86\tvprint.cat
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVPrint.inf to %ProgramFiles%\TeamViewer\x86\TVPrint.inf
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewer.gpd to %ProgramFiles%\TeamViewer\x86\TeamViewer.gpd
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\tvpsprint.cat to %ProgramFiles%\TeamViewer\x86\tvpsprint.cat
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\TVPSPrint.inf to %ProgramFiles%\TeamViewer\x86\TVPSPrint.inf
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\teamviewer.ppd to %ProgramFiles%\TeamViewer\x86\TeamViewer.ppd
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_en.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_en.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_de.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_de.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_es.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_es.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\TeamViewer_Resource_da.dll to %ProgramFiles%\TeamViewer\TeamViewer_Resource_da.dll
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\CopyRights_EN.txt to %ProgramFiles%\TeamViewer\CopyRights_EN.txt
  • from %ProgramFiles%\TeamViewer\TVExtractTemp\x86\tvmonitor.cat to %ProgramFiles%\TeamViewer\x86\TVMonitor.cat
  • from %ProgramFiles%\TeamViewer\teamviewer10Host.otf to %TEMP%\TeamViewer\TVInstallTemp\TVFile140.bak
Substitutes the following files:
  • %ProgramFiles%\TeamViewer\x86\TeamViewerVPN.sy_
Network activity:
Connects to:
  • 'wp#d':80
  • 'download.windowsupdate.com':80
TCP:
HTTP GET requests:
  • http://11#.#11.111.1/wpad.dat via wp#d
  • http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt via download.windowsupdate.com
  • http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab via download.windowsupdate.com
UDP:
  • DNS ASK wp#d
  • DNS ASK www.download.windowsupdate.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'RegEdit_RegEdit' WindowName: ''
  • ClassName: '#32770' WindowName: ''
Creates and executes the following:
  • '%ProgramFiles%\TeamViewer\TeamViewer_Host_Setup.exe' /MSI /S /D=%ProgramFiles%\TeamViewer\
  • '%TEMP%\nsj1D.tmp\ns1E.tmp' schtasks /Create /TN TVInstallRestore /TR "%ProgramFiles%\TeamViewer\TeamViewer_Host_Setup.exe /RESTORE" /RU SYSTEM /SC ONLOGON /F
  • '%TEMP%\nsj1D.tmp\ns1F.tmp' %ProgramFiles%\TeamViewer\TeamViewer_Service.exe -install
  • '%ProgramFiles%\TeamViewer\TeamViewer_Service.exe' -install
  • '%TEMP%\nsj1D.tmp\ns26.tmp' schtasks /Delete /TN TVInstallRestore /F
  • '%ProgramFiles%\TeamViewer\TeamViewer_Service.exe'
  • '%ProgramFiles%\TeamViewer\TeamViewer.exe'
Executes the following:
  • '<SYSTEM32>\cmd.exe' /c ""%TEMP%\1.tmp\tv.bat" <Full path to file>"
  • '<SYSTEM32>\msiexec.exe' /uninstall teamviewer_host.msi /quiet
  • '<SYSTEM32>\msiexec.exe' /V
  • '<SYSTEM32>\msiexec.exe' /i teamviewer_host.msi /quiet
  • '<SYSTEM32>\msiexec.exe' -Embedding A3DBDCDCA1E9F8D7FC0E333224CF85B2 M Global\MSI0000
  • '%WINDIR%\regedit.exe' /S "%TEMP%\1.tmp\TeamViewer_Settings.reg"
  • '<SYSTEM32>\schtasks.exe' /Create /TN TVInstallRestore /TR "%ProgramFiles%\TeamViewer\TeamViewer_Host_Setup.exe /RESTORE" /RU SYSTEM /SC ONLOGON /F
  • '<SYSTEM32>\schtasks.exe' /Delete /TN TVInstallRestore /F

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android