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Manual Removal of W32/Sohanad.AS Worm

Manual Removal of W32/Sohanad.AS Worm.
W32/Sohanad.AS is a worm. The worm will infect Windows systems.
The worm arrives either as a file downloaded from remote sites by other malware or downloaded unknowingly by a user when visiting malicious Web sites.

The worm also modifies the Windows Registry to disable Registry Editor and Task Manager.
It attempts to connect to certain Web sites to download the possible malicious files.
The worm creates a scheduled task to execute its dropped copies.
It then uses Windows Task Scheduler to schedule task that automatically executes at 9 o'clock everyday.
This worm first appeared on August 22, 2007.
Other names of W32/Sohanad.AS Worm:
This Worm is also known as IM-Worm.Win32.Sohanad.as, W32/YahLover.worm, W32.Imaut.A , DR/Sohanad.AS.1, W32/SillyFDC-AE.
Damage Level : High/Medium
Distribution Level: Unknown
Auto Removal Tools for W32/Sohanad.AS Worm
Download Kaspersky Removal Tool
Worm Manual Removal Instructions

Recommend Removal from Safe Mode:

How to Start in Safe mode:
Restart your Computer, Press F8 Repeatedly, when your Screen turns on, Select Safe mode, press enter.
The Infected Files Can be Seen in these folders and names also Running in Tasks
End the Following Active Process Before Removal
  • %Windows\SCVVHSOT.exe
  • %Windows\System\BLASTCLNNN.EXE
  • %Windows\System\SCVVHSOT.exe
  • %System%\autorun.ini
    It also copies autorun.ini in the Windows System folder, which contains the following lines:
    Shellexe cute=SCVVHSOT.exe
    Shell\Open\command = SCVVHSOT.exe
    To Delete, Open the file using Notepad, then delete whole content inside the file, then File Save, Close notepad, Right click on the File, Select properties, Check readonly, Apply, Ok, Close, then delete.

    • If you have any of these files in running process from task manger, end the process before removal.
    • Note: if task manager is disabled
      Download the following file[ Right click and select "Save Target as" ]
      Click to Download - Enable Registry.reg
    • Open it with Regedit.exe [%system32\regedit.exe], then it Confirms Add to registry Yes or No, Confirm Yes, then click Ok.
Worm Manual Removal From Registry
Click Start, Run,Type regedit,Click OK.
  • Note: If the registry editor fails to open the threat may have modified the registry to prevent access to the registry editor.
    Download and run this UnHookExec.inf, and then continue with the removal.
    Save it to your Windows desktop. Do not run it at this time, download it only.
    After booting into the Safe Mode or VGA Mode
    Right-click the UnHookExec.inf file and click Install. [This is a small file. It does not display any notice or boxes when you run it.]
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell
The worm adds the following registry key, so that the malicious file is accesible to all users within the network:

Search Registry For Virus File Names listed above to remove completely,
Edit Menu - Find
, enter Keyword and remove all value that find in search.

Exit the Registry Editor,
Restart your Computer.

Recommended Removal Tools:
Killbox (Freeware)

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