differentia.ru is a domain name usually linked to several worms that spread through the infection of external support media like USB memories or external hard drives. Presence on your system of this parasite might outset an alert message from Avast mentioning URL MAL and the addresses differentia.ru/diff.php or differentia.ru/order.php
Be aware that external support medias are a preferred infection channel nowadays. As they are used in many different systems, it’s not difficult for a malicious person to save a virus into them. Virus like the ones linked to differentia.ru usually create an autorun.inf file in the infected media. As soon as that media (an USB memory for example) is inserted into a new system, Windows will execute that file, making it possible for the virus to infect your computer.
First of all you should be very careful about who gets access to your USB memories, plus make sure every time you’re about to insert them into a new system that you can trust it and last but not least you yourself must have an updated antivirus. Of course in some case even all these precautions are not enough. With the help of the tools we recommend below you’ll be able to clean up every one of you external supports from any possible virus that could be present on them. (All tools are free).
To protect yourself from infections coming from USB memories, we also recommend you to deactivate the autoplay function in Windows, so autorun files won’t be automatically executed either from USB memories, CDs or any other external support.
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