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Danger level 8
Type: Worms
Common infection symptoms:
  • Annoying Pop-up's
  • Connects to the internet without permission
  • Installs itself without permissions
  • Shows commercial adverts
  • Slow Computer
  • Slow internet connection
  • System crashes


Even though Virus.Chir.B@mm has been released in 2008, the malicious application’s infectious emails still threaten Windows users all around the world. Also known as Worm/Win32.Runouce.b, Win32/Chir.B@mm and Virus:Win32/Chir.B@mm, the malignant worm has been noticed to travel through such security loopholes as illegal file sharing and mass spam email attachments. What is worse, the dangerous infection has been enabled to use SMTP protocols to send infected emails to all discovered Windows Address Book users, using .wab, r.db, .xls, .adc, or .doc databases. Moreover, if the infection manages to contaminate one computer in Area or wireless networks, there is no doubt that all computer linked will be infected as well. And the malicious worm could spread even further, in case you use removable devices, whilst the virus is still active in your operating Windows system. So, if you do not want your computer infected, or be used to contaminate even more systems, stay away from spam emails like the one bellow. And if you have already opened this exact email, and downloaded its attachments, hurry up to detect and remove Virus.Chir.B@mm from your computer!

Subject: [USER NAME] is coming!
Attachments: PP.exe

The missing text only proves you that this email does not contain information essential to you or your system; and you should be aware that hackers could send such mass emails from various different email servers, including And once infiltrated, the infectious Virus.Chir.B@mm will present itself with the runouce.exe file, together with GoogleUpdate.exe (C:\Windows\System), which is cloaked, and the original component, which can be found under C:\Program Files, belongs to Google Installer, Google Update Service or Google Update applications. These two infection’s files can add and delete Registry products, remove scheduled tasks, release fictitious Windows notifications, connect to the Internet, download malware, open up browser pop-ups, or even modify runtime policies. Tens of other executables have been noticed with the infection, and if you cannot access Registry Editor or Task Manager tools, setup.exe is definitely inside. Together with server.exe, which enables rootkit functions, the two files can conceal any infection, and it will be nearly impossible for you to remove Virus.Chir.B@mm from your Windows system. Another executable, which will aid the virus, is crypted.exe, and this executable is responsible for connecting your PC to Instant Messaging Chats, which could also be used to spread the malicious program. And if that was not enough, d.exe can also travel with the worm, recording your keyboard inputs, making your login passwords and user names extra vulnerable.

Because of the rootkit features, you might find it difficult to discover and delete Virus.Chir.B@mm from your Windows OS, which is why legitimate security tools should be implemented to remove this dangerous malware. Do not even think of having this treacherous application deleted manually, as more damage could be elevated! Therefore, we suggest that even highly experienced Windows users, who have detected the infection, should acquire legal protection software, because only that way your computer will be guarded against future attacks.

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How to manually remove Virus.Chir.B@mm

Files associated with Virus.Chir.B@mm infection:


Virus.Chir.B@mm processes to kill:


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