high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | April 2005 (3.92) |
| Protection available since | 2 March 2005 19:18:35 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing Trojans.
Windows NT/2000/XP/2003
In Windows NT/2000/XP/2003 you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Bles
<Windows system folder>\bles.exe
and delete it if it exists.
Close the registry editor.
More Information
Troj/Blesh-A is a downloader Trojan.
Troj/Blesh-A will download a configuration file from a remote website. The Trojan will then attempt to download and run executable files listed in the downloaded configuration data.
When first run, Troj/Blesh-A will copy itself to the Windows system folder as BLES.EXE. In order to run automatically each time a user logs in, Troj/Blesh-A will set the following registry entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
Bles
<Windows system folder>\bles.exe
Troj/Blesh-A will created a folder named BLES in the Windows folder.
Troj/Blesh-A will create the following registry branch:
HKCU\Software\Bles
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