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Doctor Web: June virus activity review

02

Jul

2013

Despite summer being a holiday season, threats to IT security persisted in June. At the very beginning of the month, Doctor Web’s virus analysts discovered a new version of a dangerous Trojan targeting Linux servers, while in the middle of June, another wave of Trojan encoders swept across desktops. Also found was a host of […]

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Waledac Reloaded: Trojan.Rloader.B

05

Jun

2013

Recently, we blogged about systems compromised by W32.Virut that were observed downloading W32.Waledac.D (Kelihos). Symantec has followed the Waledac evolution for a number of years and have observed the botnet showing considerable resilience against take-down efforts conducted in the past. Waledac is traditionally known as a spamming botnet which has been observed to send up […]

Category General Written by Symantec Security Response Blog 0 Comments

May 2013 virus activity review from Doctor Web

03

Jun

2013

In early May, a dangerous Trojan was discovered that can replace pages loaded in the browser. Another malicious program, also added to the virus database in May, attacked users on Facebook, Google Plus and Twitter. At the end of the month, Doctor Web analysts hijacked another command-and-control (C&C) server of the botnet Rmnet and discovered […]

Category General Written by Virus alerts 0 Comments

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Doctor Web: June virus activity review

Waledac Reloaded: Trojan.Rloader.B

May 2013 virus activity review from Doctor Web

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