Summary

Summary
Action
More Information
| Affected operating systems | Windows |
|---|---|
| Protection available since | 29 June 2005 05:01:29 (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.
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
x<number>
<System>\x<number>.exe
and delete it if it exists.
Close the registry editor.
More Information
Troj/Dadobra-A is a downloader Trojan which will download, install and run new software without notification that it is doing so.
Troj/Dadobra-A attempts to download multiple files from a remote website to the following locations and run them:
<System>\x<number>.exe
where number ranges from 1 to 7.
Upon successful download of the file, the corresponding registry entry will be set:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
x<number>
<System>\x<number>.exe
where number ranges from 1 to 7.
