FYI...
Criminals host trojans on Cloud Storage Service Rapidshare
-
http://www.eweek.com...idshare-339725/
2010-12-30 - "Spammers are using cloud-based storage services to store malware, allowing them to circumvent e-mail spam filters, according to security experts at Kaspersky Lab and MX Lab. Kaspersky Lab detected the click-fraud Trojan, a variant of the Trojan-Dropper.Wind32.Drooptroop family, which has been
in circulation since the beginning of December, said Vicente Diaz, a Kaspersky Lab expert. There are over 7,000 variants of this particular family, according to Kaspersky. As with other types of malware that took advantage of the holiday season, the executable file for this Trojan was named
gift.exe, Diaz said. The security firm
detected more than 1,000 infections using this technique to distribute this variant, according to Diaz.
The Trojan is stored on Rapidshare, a cloud-based file-sharing and storage service. The spam messages that users receive in their Inbox have no text, just a single link pointing to a valid Rapidshare URL. These messages get past spam filters because there are no malicious files attached, the domain name is not considered a “bad” one, and executables hosted on Rapidshare aren’t automatically classified as a threat, said Diaz. There was also a recent fake antivirus spam campaign that included a Rapidshare link pointing to surprise.exe, according to security firm MX Lab. The executable file downloads and installs the fake AV Security Shield on the user’s computer, which runs after the computer is rebooted. Once downloaded, there’s no guarantee that authentic antivirus products will detect these Trojans. According to MX Lab, only 16 of the 43 major antivirus products detected
surprise.exe as a Trojan or as
fake AV..."
-
http://www.securelis...re_in_the_cloud
-
http://blog.mxlab.eu...e-surprise-exe/
The year of the cloud ...
-
http://www.infoworld...r-the-cloud-888
December 30, 2010
Edited by AplusWebMaster, 31 December 2010 - 05:45 AM.