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Summary
Summary
Action- More Information
| How it spreads |
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|---|---|
| Affected operating systems | Windows |
| Characteristics |
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| Protection available since | 16 December 2004 09:05:26 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
Editing Win.ini
At the taskbar, click Start|Run and type Sysedit. Bring Win.ini to the front. In the [windows] section, search for a line beginning with 'Load=' and delete any references to the files you removed. Delete only that reference, not any other text.
Reboot your computer.
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\Windows\
load = <Windows system>\mpexec.exe
and delete it if it exists.
Close the registry editor.
More Information
W32/Atak-H is an email worm for the Windows platform.
When executed the worm will copy itself to the Windows system folder as mpexec.exe and create the following autorun registry entry:
HKCU\Software\Microsoft\Windows\CurrentVersion\Windows\
load = <Windows system>\mpexec.exe
The worm will also add load = <Windows system>\mpexec.exe to the C:\Windows\win.ini configuration file under the [windows] section.
W32/Atak-H will scan the local hard-drive to find email addresses and will send itself to these as a randomly named zip file with the subject and message text generated randomly from a list of phrases.
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