high
Summary
Summary
Action- More Information
| Protection available since | 6 February 2004 13:35:28 (GMT) |
|---|---|
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Check your administrator passwords and review network security.
You will also need to edit the following registry entries, if they are present. 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 entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\REMOVE ME
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce\REMOVE ME
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\REMOVE ME
and delete them if they exist.
In Windows NT/2000/XP/2003 you will also need to edit the following registry entries for each user who ran the virus. The removal of these entries is optional in Windows 95/98/Me.
Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entries:
HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\Run\REMOVE ME
HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\RunOnce\REMOVE ME
and delete them if they exist.
Close the registry editor and reboot your computer.
More Information
W32/Randex-FC is a worm that spreads via Windows file shares.
In order to run automatically when Windows starts up the worm copies itself to the file asclt.exe in the Windows system folder and adds the following registry entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\REMOVE ME
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce\REMOVE ME
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\REMOVE ME
HKCU\Software\Microsoft\Windows\CurrentVersion\Run\REMOVE ME
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce\REMOVE ME
W32/Randex-FC attempts to exploit shares with weak administrator passwords in order to copy itself other computers on the network. The worm chooses an IP address at random and attempts to copy itself to the Windows system folder on the remote computer as a file named GT.exe.
The worm also contains a backdoor which listens for commands via IRC allowing a remote intruder to gain access and control over the computer.
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