Summary

Summary
Action
More Information
| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Included in our products from | June 2005 (3.94) |
| Protection available since | 23 April 2005 17:09:51 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
More Information
Please follow the instructions for removing Trojans.
Change any data that may have become compromised.
More Information
Troj/PPdoor-E is a backdoor Trojan for the Windows platform. When the Trojan is run it copies itself into the Windows system folder as comsutil.exe.
Troj/PPdoor-E allows unauthorised access to remote intruders. The Trojan may attempt to disable security-related software including the Windows XP Firewall. The Trojan allows remote attackers to redirect internet traffic through the infected computer using a SOCKS server, download new code and updates and steal system information.
The Trojan may create files in the Windows system folder called "ngaasaaa.dll" and "msnet64.dll".
Troj/PPdoor-E also creates the following registry entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Meeting Connection
<System>\comsutil.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ ShellServiceObjectDelayLoad
Shedule Address
<random CLSID>
