This is yet another ransomware virus, very similar to the FBI virus. This kind of virus claims your internet activities have violated the law, so your computer has been locked down until you pay a fine. Don’t fall for this scam! If you pay this $100 or $300 fine, you won’t have your computer unlocked and you will lose your money as well!
The Department of Justice virus is distributed in several different ways. Legitimate websites (Facebook, Paypal, Ebay, etc.) that have been compromised may drop this trojan onto your computer. This “drive-by-download” often happens in the background without you noticing.
Another method used to spread this type of malware is spam email containing infected file attachments or links to malicious websites. Sometimes the emails come from friends, coworkers of family members who have also been infected. The virus may also be downloaded manually by tricking you into thinking you are installing a useful piece of software. For example, you may be prompted to update your Adobe Flash player before you can view a file, but you are actually downloading the virus.
The Department of Justice virus is also prevalent on peer-to-peer file sharing websites (Shareza, Bearshare, Limewire, BitTorrent) and is often packaged with pirated or illegally acquired software.