Home Latest News Users Warned of Win32/Bayrob trojan

Users Warned of Win32/Bayrob trojan


Following the security alert from ESET, ESS Distribution warns Internet users of a new cyber threat aiming at users’ financial data – Win32/Bayrob Trojan.

Win32/Bayrob has been intensely targeting several countries since the middle of December 2015. According to Albors, Win32/Bayrob is distributed using a classic attack
vector: for example, as a malicious attachment in an email. In some cases, the emails are pretender to be from Amazon.

The e-mails may have a ZIP file attached with an executable file, which turns out to be a malware file. If user runs it, it may take malicious actions on the system while showing the following error message to make the victim believe that he or she downloaded a file that cannot be used on the system.

According to ESET researches, one of the feature of Win32/Bayrob is that it can generate various URLs in addition to the one used to contact the remote computer controlled by the attackers. Some of the URLs found by researchers belongs to Amazon Japan which could be related to the fact that the attackers might be using a rented server to control and send
commands to the infected machines that belong to the Amazon Web Services infrastructure. However, this does not mean that any Amazon server has been compromised but suggests that the criminals behind this campaign are using (and paying for) an existing web service infrastructure provided by Amazon Japan, Josep Albors notes.

“Although Win32/Bayrob detection was high in Europe but not in Asia, users should be aware of such threats,”said Zakir Hussain, Head of ESS Distribution. “As a security solution provider we encourage users to pay more attention to what they browse online or download from the Internet or email. Even sophisticated attacks can be recognized and avoided this way.”

According to ESET Virus Radar, a real-time threat-monitoring site,Indian users were not exposed to Win32/Bayrob threat extensively. The most common threats in India are Win32/Bundpil worm, Win32/Sality virus, LNK/Agent.BZ and LNK/Agent.BS trojans as well as INF/Autorun, the most
common variety of malware using the autorun.inf file as a way to
compromise a PC.

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