Click on screenshot to zoom
Danger level 8
Type: Trojans
Common infection symptoms:
  • Annoying Pop-up's
  • Block exe files from running
  • Cant change my homepage
  • Connects to the internet without permission
  • Installs itself without permissions
  • Shows commercial adverts
  • Slow Computer
  • Slow internet connection
  • System crashes


If your PC has been locked with a strange, scary notification – Trojan:AutoIt/LockScreen.C might have infected your personal computer. The vicious schemer’s application is also known as Trojan.LockScreen, Trojan.LockScreen.B or Trojan/Win32.Autoit, and it may infiltrate devious ransomware infections into your personal computer. The Trojan is quite recent, so the information about its propagation channels is still quite indefinite. Despite this, it is possible that the malicious program might be slipped into your Windows system via spam email attachments, fake software installations and similar security cracks. It will be impossible to delete Trojan:AutoIt/LockScreen.C from the system, as this vicious program does not have an interface. This, however, does not mean that you should not take any action, because this cyber criminals’ tool may not only lock your PC but can also take over the control of Internet browsers, corrupt the Windows Registry, remove certain administrative privileges, disable Task Manager and cause other system’s disturbances just to stop you from having the Trojan deleted.

As mentioned, Trojan:AutoIt/LockScreen.C may infect your personal computer with various ransomware infections, including the Your system has been blocked – Microsoft Security Essentials Alert and various Ukash, Paysafecard or Police viruses. Some of the most popular of such viruses are FBI Moneypak, Metropolitan Police virus, Polícia de Segurança Pública Portuguese Virus, Polisen Enhetnen för Databrott Ransomware, and Sacem Police Nationale Ransomware. All of these infections work in the same manner once they enter the system: they lock your computer’s screen and then ask for a ransom, in a disguise of a supposedly legitimate fine, allegedly supported by governmental authorities.

The deceptive Trojan would not run inside your operating Windows system if malignant components did not exist; so if you want to remove Trojan:AutoIt/LockScreen.C – you will firstly need to find and delete such malignant executables as Ultra_Family_7.exe, 1.exe and asdasd.exe. This latter file can add Trojan’s processes to the startup programs, hijack Windows utilities and initiate bogus alerts (or ransomware messages). The file can also implement HTTP protocols to create communications to remote servers, modify the home page and Internet settings within your browser, add malignant toolbar extensions and inject browser helper objects to collect browsing data and steal personal information. Even though this executable is very dangerous, you should not forget that there are many more that you need to be careful of.

If manual removal is not something that will cause you much trouble – go ahead and delete them immediately. Now, if you do not have the required experience, your best option with Trojan:AutoIt/LockScreen.C removal is the installation of legal security software which will help you delete the infection automatically. In fact, even if you are ready to remove the Trojan manually, we still recommend implementing automatic tools to safeguard your system.

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How to manually remove Trojan:AutoIt/LockScreen.C

Files associated with Trojan:AutoIt/LockScreen.C infection:


Trojan:AutoIt/LockScreen.C processes to kill:


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