TR/PSW.WOW.PQ.1 - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/PSW.WOW.PQ.1
Date discovered:	19/02/2007
Type:	Trojan
In the wild:	No
Reported Infections:	Medium
Distribution Potential:	Low
Damage Potential:	Medium
Static file:	Yes
File size:	19.717 Bytes
MD5 checksum:	2e216d6f39d7a805b6fa02e51c967c4b
VDF version:	6.37.01.112 - Mon, 19 Feb 2007 09:04 (GMT+1)
IVDF version:	6.37.01.113 - Mon, 19 Feb 2007 09:04 (GMT+1)

General Method of propagation:
   • No own spreading routine

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

Side effects:
   • Drops malicious files
   • Steals information

Files It copies itself to the following location:
• %TEMPDIR%\svchots.exe

The following files are created:

– %TEMPDIR%\She1132.dll Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/PSW.WOW.PQ

– %TEMPDIR%\~Tm94.tmp.dll Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Dldr.Smal.dp.1.D

Registry One of the following values is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
• "Winlogin"="%TEMPDIR%\svchots.exe"

Stealing It tries to steal the following information:
– Passwords typed into 'password input fields'

– The password from the following program:
• wow.exe

Injection – It injects the following file into a process: %temp%\She1132.dll

– It injects a process watching routine into a process.

    Process name:
   • %all running processes%

– It injects the following file into a process: %temp%\~Tm94.tmp.dll

– It injects a process watching routine into a process.

    Process name:
   • %all running processes%

File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
• WinUpack

See a brief description here.

Description inserted by Gabriel Mustata on Tue, 20 Feb 2007 09:50 (GMT+1)
Description updated by Andrei Ivanes on Thu, 01 Mar 2007 15:26 (GMT+1)

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