Virus:TR/PSW.QQShou.IF.1
Date discovered:12/09/2006
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:63.279 Bytes
MD5 checksum:a9f721c1f573c5f65de26e1fd22e4179
VDF version:6.35.01.215
IVDF version:6.35.01.219 - Wednesday, September 13, 2006

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Trojan-PSW.Win32.QQShou.if
   •  TrendMicro: TSPY_QQSHOU.BF
   •  F-Secure: Trojan-PSW.Win32.QQShou.if
   •  Eset: Win32/PSW.QQShou


Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Drops files
   • Lowers security settings
   • Registry modification
   • Steals information


Right after execution the following information is displayed:


 Files It copies itself to the following locations:
   • %SYSDIR%\ravsuteibie.exe
   • %TEMPDIR%\temp%random character string%



The following files are created:

– Non malicious files:
   • %SYSDIR%\psapi.lib
   • %SYSDIR%\temp.jpg

– %SYSDIR%\winsyleabu.dll

 Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "Rapdetibe"="%SYSDIR%\ravsuteibie.exe"



The following registry key is added:

– [HKLM\SOFTWARE\TENCENT\QQ]

 Process termination List of processes that are terminated:
   • kav32.exe; kvsrvui.exe; symantec.exe; kvxp.kxp; pwf.exe; system.exe;
      iparmor.exe; kvmonxp.kxp; kavsvc.exe; kav.exe; rfwsrv.exe;
      rfwmain.exe; ravtimer.exe; ravstub.exe; ravmond.exe; ravmon.exe


 Stealing It tries to steal the following information:

– The password from the following program:
   • QQ

 Miscellaneous Mutex:
It creates the following Mutex:
   • a_su_o0i8s1_d1

 File details Programming language:
 The malware program was written in MS Visual C++.

Description inserted by Adriana Popa on Tuesday, October 10, 2006
Description updated by Adriana Popa on Wednesday, October 11, 2006

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