Mediyes – the dropper with a valid signature

In the last few days a malicious program has been discovered with a valid signature. The malware is a 32- or 64-bit dropper that is detected by Kaspersky Lab as Trojan-Dropper.Win32.Mediyes or Trojan-Dropper.Win64.Mediyes respectively.

Numerous dropper files have been identified that were signed on various dates between December 2011 and 7 March 2012. In all those cases a certificate was used that was issued for the Swiss company Conpavi AG. The company is known to work with Swiss government agencies such as municipalities and cantons.

Information about the Trojan-Dropper.Win32.Mediyes digital signature

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