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Trojan.StartPage1.58243
Added to the Dr.Web virus database:
2019-10-12
Virus description added:
2019-10-14
Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
blocks the following features:
Windows Security Center
Windows Action Center
Modifies settings of Windows Internet Explorer
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
Sets a new unauthorized home page for Windows Internet Explorer.
Miscellaneous
Creates and executes the following
'%TEMP%\mydocs.exe'
'%TEMP%\regs.exe'
'%WINDIR%\syswow64\cmd.exe' /c reg delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /va /f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c regini "%Temp%\360se.ini"' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\UCBrowser\User Data\Default\Preferences" /C /G Everyone:r' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\Baidu\BaiduBrowser\user_data\default\settings\user_setting.db" /C /G Everyone:r' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C reg import %Temp%\regs\Win7-642.reg' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C reg import %Temp%\regs\Win7-641.reg' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C reg import %Temp%\regs\NT6.reg' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete BaiduPinyinUpdater' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete BaiduUpadater' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete BDKVRTP' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete BDMRTP' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete BDSGRTP' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete BaiduHips' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c sc delete bdyqsvc' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\UCBrowser\User Data\Default\Bookmarks" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\UCBrowser\User Data\Default\Preferences" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\SogouExplorer\favorite3.dat" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\Google\Chrome\User Data\Default\Secure Preferences" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\Google\Chrome\User Data\Default\Bookmarks" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\Baidu\BaiduBrowser\user_data\default\settings\user_setting.db" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\2345Explorer\Users\Default\FavoritesUpdate.data" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\2345Explorer\Users\Default\Setting.cfg" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\2345chrome\User Data\Default\Bookmarks" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\2345chrome\User Data\Default\Preferences" /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c C:\FavR.bat' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c reg delete HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run /va /f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c reg delete HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /va /f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls /C /G Everyone:f' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3&del /q "<Full path to file>"' (with hidden window)
Executes the following
'%WINDIR%\syswow64\cmd.exe' /c reg delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /va /f
'%WINDIR%\syswow64\cmd.exe' /c sc delete BaiduHips
'%WINDIR%\syswow64\sc.exe' delete BaiduHips
'%WINDIR%\syswow64\cmd.exe' /c sc delete BDSGRTP
'%WINDIR%\syswow64\sc.exe' delete BDSGRTP
'%WINDIR%\syswow64\cmd.exe' /c sc delete BDMRTP
'%WINDIR%\syswow64\sc.exe' delete BDMRTP
'%WINDIR%\syswow64\cmd.exe' /c sc delete BDKVRTP
'%WINDIR%\syswow64\sc.exe' delete BDKVRTP
'%WINDIR%\syswow64\cmd.exe' /c sc delete BaiduUpadater
'%WINDIR%\syswow64\sc.exe' delete BaiduUpadater
'%WINDIR%\syswow64\cmd.exe' /c sc delete BaiduPinyinUpdater
'%WINDIR%\syswow64\sc.exe' delete BaiduPinyinUpdater
'%WINDIR%\syswow64\cmd.exe' /C reg import %Temp%\regs\NT6.reg
'%WINDIR%\syswow64\reg.exe' import %TEMP%\regs\NT6.reg
'%WINDIR%\syswow64\cmd.exe' /C reg import %Temp%\regs\Win7-641.reg
'%WINDIR%\syswow64\reg.exe' import %TEMP%\regs\Win7-641.reg
'%WINDIR%\syswow64\cmd.exe' /C reg import %Temp%\regs\Win7-642.reg
'%WINDIR%\syswow64\reg.exe' import %TEMP%\regs\Win7-642.reg
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\Baidu\BaiduBrowser\user_data\default\settings\user_setting.db" /C /G Everyone:r
'%WINDIR%\syswow64\cacls.exe' "%APPDATA%\Baidu\BaiduBrowser\user_data\default\settings\user_setting.db" /C /G Everyone:r
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\UCBrowser\User Data\Default\Preferences" /C /G Everyone:r
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\UCBrowser\User Data\Default\Preferences" /C /G Everyone:r
'%WINDIR%\syswow64\cmd.exe' /c regini "%Temp%\360se.ini"
'%WINDIR%\syswow64\regini.exe' "%TEMP%\360se.ini"
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls /C /G Everyone:f
'%WINDIR%\syswow64\sc.exe' delete bdyqsvc
'%WINDIR%\syswow64\cacls.exe' /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c sc delete bdyqsvc
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\UCBrowser\User Data\Default\Bookmarks" /C /G Everyone:f
'%WINDIR%\syswow64\reg.exe' delete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /va /f
'%WINDIR%\syswow64\cmd.exe' /c reg delete HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /va /f
'%WINDIR%\syswow64\reg.exe' delete HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /va /f
'%WINDIR%\syswow64\cmd.exe' /c reg delete HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run /va /f
'%WINDIR%\syswow64\reg.exe' delete HKEY_LOCAL_MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run /va /f
'%WINDIR%\syswow64\cmd.exe' /c C:\FavR.bat
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\2345chrome\User Data\Default\Preferences" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /S /D /c" echo y"
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\2345chrome\User Data\Default\Preferences" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\2345chrome\User Data\Default\Bookmarks" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\2345chrome\User Data\Default\Bookmarks" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\2345Explorer\Users\Default\Setting.cfg" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "%APPDATA%\2345Explorer\Users\Default\Setting.cfg" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\2345Explorer\Users\Default\FavoritesUpdate.data" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "%APPDATA%\2345Explorer\Users\Default\FavoritesUpdate.data" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\Baidu\BaiduBrowser\user_data\default\settings\user_setting.db" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "%APPDATA%\Baidu\BaiduBrowser\user_data\default\settings\user_setting.db" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\Google\Chrome\User Data\Default\Bookmarks" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\Google\Chrome\User Data\Default\Bookmarks" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\Google\Chrome\User Data\Default\Secure Preferences" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\Google\Chrome\User Data\Default\Secure Preferences" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "%APPDATA%\SogouExplorer\favorite3.dat" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "%APPDATA%\SogouExplorer\favorite3.dat" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c echo y|cacls "<LS_APPDATA>\UCBrowser\User Data\Default\Preferences" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\UCBrowser\User Data\Default\Preferences" /C /G Everyone:f
'%WINDIR%\syswow64\cacls.exe' "<LS_APPDATA>\UCBrowser\User Data\Default\Bookmarks" /C /G Everyone:f
'%WINDIR%\syswow64\cmd.exe' /c ping 127.0.0.1 -n 3&del /q "<Full path to file>"
Attempts to shut down the Windows operating system.
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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
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