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Danger level 6
Type: Worms
Common infection symptoms:
  • Connects to the internet without permission
  • Installs itself without permissions
  • Slow Computer
  • Slow internet connection
  • System crashes


Worm.Virauto.A is one of those malicious applications that seem to be doing nothing wrong and yet they cause extensive damage to your system. This worm spreads on its own, copying itself directly into the system drives. It is common for Worm.Virauto.A to drop a copy of itself onto the system in an archived ZIP file. What is more, the worm has backdoor features, because it can connect to the Internet and download other arbitrary files. If that weren’t enough, Worm.Virauto.A also hacks into the Hosts file and edits it in a way that the system does not download antivirus updates anymore.

Removing Worm.Virauto.A is definitely a tough nut to crack, especially if you are thinking of terminating it on your own. This infection is hard to get rid of, because it has many components that are related to other types of malware. For example, once the Worm.Virauto.A installation file is executed, it drops a file called antivir.dll. This file, being a part of the worm, is used to monitor MSN Messenger activities, and it is commonly detected as Trojan:Win32/Delf. Thus, it is obvious that once you go out to war against Worm.Virauto.A you will definitely have to face other types of malware as well.

Although there might be other infections that have come together with Worm.Virauto.A, this one worm is definitely enough to cause you a headache. The worm’s payload includes a list of backdoor functionalities that allows the application to retrieve email addresses and execute mIRC commands. You basically cannot control this process as Worm.Virauto.A takes your system under control and does all it can to spread further. It might even perform DDoS attacks and spread itself through such P2P file sharing programs as BitTorrent or uTorrent. Not to mention that Worm.Virauto.A can easily connect to such domains as or and download other malicious files onto your computer.

In the long run this infection can cause an ultimate system crash, so you have to remove Worm.Virauto.A before it is too late to do anything about it. Just as it has been mentioned before, manual removal might present a bit of a challenge, so it is strongly advised to terminate Worm.Virauto.A automatically with a reliable antimalware program. This way, you will also get rid of other malware, restoring your system’s security.

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How to manually remove Worm.Virauto.A

Files associated with Worm.Virauto.A infection:


Worm.Virauto.A processes to kill:


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