Summary

Summary
Action
More Information
| Included in our products from | August 2004 (3.84) |
|---|---|
| Protection available since | 8 July 2004 12:39:00 (GMT) |
| Last updated | 16 August 2004 08:39:53 (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 entries. The removal of these entries 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 entries:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
VC5MediaPlayer = <path_to_self>
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
WIN95DEFVIEW = <path_to_self>
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
WindowsInstaller = <path_to_self>
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
MsgApi = <path_to_self>
and delete them if they exist.
Close the registry editor.
More Information
Troj/Dedler-D is an ICQ Trojan which when run copies itself
to the Windows system folder as csmss.exe and sets one of the
following registry entries in order to auto-start on user logon
or system start:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
VC5MediaPlayer = <path_to_self>
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
WIN95DEFVIEW = <path_to_self>
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
WindowsInstaller = <path_to_self>
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\
MsgApi = <path_to_self>
The Trojan will attempt to connect to icq.login.com and begin
data transfer.
Troj/Dedler-D will also attempt to terminate the following
security related services:
Network Client Monitor
Network Client
kavsvc
SAVScan
Symantec Core LC
navapsvc
wuauserv
