Sophos

Troj/RNWatch-A

Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Protection available since 26 May 2005 13:17:41 (GMT)
Last updated 12 July 2005 09:50:21 (GMT)
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Action

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 entry:

HKLM\Software\Microsoft\Windows\CurrentVersion\Run\

and remove any reference to any file you deleted.

Each user has a registry area named HKEY_USERS\[code number indicating user]\. For each user locate the entry:

HKU\[code number]\Software\Microsoft\Windows\
CurrentVersion\Run\

and remove any reference to any file you deleted.

Close the registry editor.

More Information

Troj/RNWatch-A is a backdoor Trojan for the Windows platforms. Troj/RNWatch-A is a backdoor Trojan for the Windows platforms.

Once executed Troj/RNWatch-A copies itself to the Windows system folder with the filenames winierun.exe and bfwinier.exe, and in order to be able to run automatically when Windows starts up sets the registry entries:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
WinIeRun
"winierun.exe"

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
WinIeRun
"winierun.exe"

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