Troj/CWS-I

Please follow the instructions for removing Trojans.

You should also check your Internet Explorer settings using Tools|Internet options|General for any modifications made by the Trojan.

Windows NT/2000/XP/2003

In Windows NT/2000/XP/2003 you will also need to edit the following registry entry for each user who ran the virus. 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.

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.

Troj/CWS-I is a Trojan dropper.

Troj/CWS-I copies itself to the Windows system folder with the filenames ALGU.EXE and SPOOLSV32.EXE and creates the following entries in the registry so as to run these files on system startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
ALGU

HKCU\Software\Microsoft\Windows\CurrentVersion\Run\
SPOOLSV32

Troj/CWS-I drops a file to the Windows folder called ATLASS.DLL and runs it. This file is detected as Troj/CWS-C.

Troj/CWS-I may create the following entries in the registry:

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\
ATLASSstp

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\
WTLBAstp

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\
MSMsgSvc

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\
SEHLPstp

HKLM\SOFTWARE\Microsoft\Internet Explorer\Main\
HTASSstp

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
Browser Helper Objects\
{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}