TR/PSW.Age.IM.133.C - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/PSW.Age.IM.133.C
Date discovered:	13/12/2006
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Medium
Static file:	Yes
File size:	18.180 Bytes
MD5 checksum:	8c2a06afed6325621832d9f5f654b351
VDF version:	6.37.00.08 - Wed, 13 Dec 2006 06:58 (GMT+1)
IVDF version:	6.37.00.08 - Wed, 13 Dec 2006 06:58 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Kaspersky: Trojan-PSW.Win32.Agent.im
   • F-Secure: Trojan-PSW.Win32.Agent.im
   • Sophos: Troj/PWS-ADS
   • Grisoft: PSW.Agent.EBH
   • Bitdefender: Trojan.PWS.Agent.FT

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

Side effects:
   • Drops a malicious file
   • Registry modification
   • Steals information

Files It deletes the following file:
• %SYSDIR%\drivers\etc\hosts

The following file is created:

– %SYSDIR%\bdscheca100.dll Further investigation pointed out that this file is malware, too. Detected as: TR/PSW.Age.IM.133.C

Registry The following registry keys are added:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   ShellExecuteHooks]
   • "{9C0CFA58-3A6F-51ba-9EFE-5320F4F62FB1}"=""

– [HKCR\CLSID\{9C0CFA58-3A6F-51ba-9EFE-5320F4F62FB1}]
– [HKCR\CLSID\{9C0CFA58-3A6F-51ba-9EFE-5320F4F62FB1}\InProcServer32]
   • @="%SYSDIR%\bdscheca100.dll"
   • "ThreadingModel"="Apartment"

Backdoor Contact server:
The following:
• http://www.tinggoo.com/zt/**********

As a result it may send some information.

Sends information about:
• Collected information described in stealing section

Stealing It tries to steal the following information:

– The password from the following program:
• Zhengtu

Injection – It injects the following file into a process: bdscheca100.dll

Process name:
• %all running processes%

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

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

See a brief description here.

Description inserted by Adriana Popa on Wed, 10 Jan 2007 09:55 (GMT+1)
Description updated by Adriana Popa on Wed, 10 Jan 2007 14:38 (GMT+1)

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