Sophos

Troj/CashGrab-A

Aliases
  • Trojan.Win32.Agent.cw
  • PWS-Cashgrabber
  • TROJ_AGENT.DLA
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Drops more malware
Protection available since 22 April 2005 08:17:41 (GMT)
Detected by All Sophos products
  • Free virus, spyware, and adware scan
  • Test your existing anti-virus protection
  • Find threats your anti-virus missed

Action

Please follow the instructions for removing Trojans.

Change any data that may have become compromised.

More Information

Troj/CashGrab-A is a password-stealing Trojan aimed at customers of banking websites.

Troj/CashGrab-A will spy on a user's browsing habits for banking URLS. The Trojan will then attempt to steal login information.

Troj/CashGrab-A will connect to a remote site to download further files and data. Troj/CashGrab-A is a password-stealing Trojan aimed at customers of banking websites.

Troj/CashGrab-A will spy on a user's browsing habits for banking URLS. The Trojan will then attempt to steal login information.

Troj/CashGrab-A will connect to a remote site to download further files and data.

When first run, Troj/CashGrab-A will drop the following files:

UPDATE.SYS - Text file containing a URL
SETUP.CMD - DOS batch file, used to delete Trojan installation files
%SYSTEM%\WINDOWS.IDN - Text file containing data
%SYSTEM%\WINST.MSI - Text file containing a URL
%SYSTEM%\MSUPDATE.DLL - Troj/CashGrab-A
%SYSTEM%\WINSETUP.EXE - Troj/CashGrab-A

In order to run automatically each time Internet Explorer starts, Troj/CashGrab-A will install MSUPDATE.DLL as a Browser Helper Object. The following registry branches will be created:

HKCR\CLSID\(3A4E6FF3-BF59-446E-9DC8-731BCE2F349A)

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\(3A4E6FF3-BF59-446E-9DC8-731BCE2F349A)

HKCR\msupdate.IEHelperOP

In particular, the following registry entry will be created:

HKCR\CLSID\(3A4E6FF3-BF59-446E-9DC8-731BCE2F349A)\InprocServer32
(default)
%SYSTEM%\msupdate.dll

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