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Danger level 7
Type: Worms
Common infection symptoms:
  • Connects to the internet without permission
  • Installs itself without permissions
  • Slow Computer
  • Slow internet connection
  • System crashes


Virus.ModTool.A is also know by such names as VirTool:Win32/ModTool.A, W32.Imaut, Trojan.Autoit and Mal/Sohana-A, and it is a Windows infection, which can be spread via Yahoo’s Instant Messenger. Once inside a targeted system, it can connect to the Internet, download other malignant applications (keyloggers, adware, etc.), modify your registry entries, and ensure that existing security programs do not discover and remove Virus.ModTool.A from the computer. Once the worm gets inside a system, and is successfully hidden, it will attempt to steal personal information, required for the infectious application to spread to other systems, using your personal accounts!

All that malicious worm is responsible for can be blamed on a single malignant executable regsvr.exe, which uses the name of an original Windows systems compatible file. This component can record your system applications’ processes, inputs, register Registry products, and manipulate other Windows tools, which is why you should be extra careful when having regsvr.exe removed, since you could easily delete an important computer’s executable. Once inside a system, the file can remove your privileges to access Registry Editor, Task Manager, and disable safe mode feature, which could aggravate malignant components’ detection and Virus.ModTool.A removal. This executable will also modify Windows Security Center, add and delete system’s processes, disable File Protection system, control Temp folder files, and all of these malignant processes will be started immediately with your system’s startup, because of the injected RUN key. Worm’s malignant component also will record information from autoexec.bat file and collect your email account and phone book details, which could be used to propagate the infection beyond your infected system!

If you do not want your name to be used alongside various cyber criminals’ affairs, and you do not want your system infected with more high-risk infections, we recommend that you delete Virus.ModTool.A worm right away! Such dangerous applications as this one are very tricky, and can implement various tricks to hide the malicious components from detection and removal, which is why manual removal could become a high-risk operation, leading you to having wrong files deleted. Automatic removal is a great alternative, and there are hundreds of security applications, which will remove Virus.ModTool.A from your system within a couple of minutes. However, you should only use reliable and legitimate software, so that your system would not be compromised even more.

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How to manually remove Virus.ModTool.A

Files associated with Virus.ModTool.A infection:


Virus.ModTool.A processes to kill:



  1. John Jul 27, 2012

    Thanks this worked for me, I had a lot of viruses this was the last one I needed to remove the other I removed with software from

  2. John Jul 27, 2012

    Thanks this worked for me, I had a lot of viruses this was the last one I needed to remove the other I removed with software from yourpcoptimizers (dot) com

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