Polymorphic Malware

Malicious programs that can change shape rapidly, polymorphic, are known to spreadaggressively. The spread occurs via email.

This report is the result of research and analysis of Symantec.cloud MessageLabsIntelligence Report and the Symantec State of Spam & Phishing Report.

Polymorphic malware types flooded up to the range of 72 percent of all malware that spreads via email in September 2011. Previously, the diffusion rate reaches 23.7 percent(July) and 18.5 percent (August).

Paul Wood, Senior Intelligence Analyst of Symantec.cloud say this has never happened before. Alleged cyber criminals increasingly aggressive in exploiting the weaknesses oftraditional protection.

There was also an effort of social engineering malware masquerading as emails from theprinter / scanner. Wood said, is actually not a printer or scanner are exploited in this attack.

What does it disguise malware authors are exploiting the increasing number of print-scanclever device that can be used to send emails. Users who do not carefully think there arecolleagues who can send the document.