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Danger level 8
Type: Trojans
Common infection symptoms:
  • Connects to the internet without permission
  • Installs itself without permissions
  • Slow Computer
  • Slow internet connection
  • System crashes


You might not know that Trojan:Win32/Sirefef.AL is running inside your operating Windows system; however, you are bound to experience some computer disturbances, once this superbly treacherous infection gets propagated into your computer. There are more than two ways for the cunning Trojan to be infiltrated; however, some of them are more popular than others, including bundled downloads, spam email attachments, infected USB devices, etc. The cunning application must be removed without any hesitation, but before having Trojan:Win32/Sirefef.AL deleted, you firstly need to know how this pest works and what detriment it could bring to your system. Also note that the Trojan is also known by different names, some of which are:


If there is something to blame for Trojan’s malicious running, it definitely is the highly dangerous files, which cyber criminals will plant inside your computer to have unlimited control over your system. This will not only help schemers to manipulate your private data, but will also hide the entire Trojan:Win32/Sirefef.AL from removal. Desktop.rar is one of the malignant agents, and this particular .rar file can modify your registry, add infection’s entries, or even remove authentic products, something which could cause irreparable damage. The file has been an important cyber criminals’ instrument since 2007, and could also identify other infections inside your system. These also should be removed timely.

Another file which is essential to undisturbed Trojan:Win32/Sirefef.AL’s running is services.exe. This file not only can modify your registry, but can also tamper with Firewall, Windows Security Center, Temporary Folder data, webmail servers, and other important Windows components. What is more, this infectious executable can gather login data and connect to your accounts to spread dangerous Trojan:Win32/Sirefef.AL files to other computer users.

Trojans from the Sirefef family have been discovered to drop malware upon execution, and WinWebSec family rogues are the usual infection downloaded by the vicious Trojan:Win32/Sirefef.AL. Best know fictitious antispywares from this family are Smart Fortress 2012, Security Shield, Security Shield 2012 and Live Security Platinum. If these irritating applications were to appear on your PC, you need to pay no attention to them and install automatic removal tools to delete them quickly.

The latent Trojan is capable of dropping even more malware, so you should remove it mercilessly as soon as possible. Unfortunately, Trojan infections are the hardest to be deleted manually, and most Windows users should not even consider this removal option. The usage of legitimate security software is definitely much safer, and if you think that this suits you better, you should not waste any more time and install automatic Trojan:Win32/Sirefef.AL detection and removal tools.

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How to manually remove Trojan:Win32/Sirefef.AL

Files associated with Trojan:Win32/Sirefef.AL infection:


Trojan:Win32/Sirefef.AL DLL's to remove:


Trojan:Win32/Sirefef.AL processes to kill:


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