Trojan.Spy.YEK has both spying and backdoor features. Trojan.YEKa is prime suspect of corporate espionage as it seems to target the private data of the companies. Trojan can run without problems on all versions of Windows from Win 95 to Seven If you havent done that already, this should be a good time to try an antivirus. The Trojan.yeKa is available from BitDefender Malware Researchers Doina Cosovan and Octavian Minea.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/trojan-spy-yek-the-corporate-spying-tool/