Summary

Summary
Action
More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 11 August 2005 11:23:22 (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

Summary
Action
More Information
Please follow the instructions for removing Trojans.
More Information
Troj/Weasyw-B is a backdoor Trojan.
Troj/Weasyw-B contacts a preconfigured remote internet site and downloads instructions. The Trojan can perform a number of actions based on the downloaded commands.
The Trojan may download and execute EXE files (the Trojan may update itself in this way) and change the Microsoft Internet Explorer settings in the registry so that the default start and search pages are directed to URLs defined within the text file. Troj/Weasyw-B is a backdoor Trojan.
Troj/Weasyw-B contacts a preconfigured remote internet site and downloads instructions. The Trojan can perform a number of actions based on the downloaded commands.
The Trojan may download and execute EXE files (the Trojan may update itself in this way) and change the Microsoft Internet Explorer settings in the registry so that the default start and search pages are directed to URLs defined within the text file.
The following registry entry is created to run Troj/Weasyw-B on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
msresear
<pathname of the Trojan executable>
