Posts Tagged ‘dll files’

New Adobe Vulnerabilities Being Exploited in the Wild

Feb

2013

Adobe posted a vulnerability report warning that vulnerabilities in Adobe Reader and Acrobat XI (11.0.1) and earlier versions are being exploited in the wild. Adobe is currently investigating this issue.According to the FireEye blog posted earlier today, the malicious file arrives as a PDF file. Upon successful exploitation of the vulnerabilities, two malicious DLL files […]

Category General Written by Symantec Security Response Blog 0 Comments

There’s nothing old school about viruses

Aug

2012

Recently, we discovered a new parasitic infection virus in the wild – Win32/Floxif – which specifically targets DLL files. Most of the attacks of this threat have been observed to come from a specific geographic region. Win32/Floxif replaces 5 bytes at the entry point of the infected file with a jmp instruction, which jumps directly […]

Category General Written by Microsoft Malware Protection Center 0 Comments

Obfuscating, bifurcating, escalating and mitigating on 64-bit

Jul

2012

With the growth in adoption of 64-bit architectures and associated operating systems, we’re seeing the usual malicious suspects following the trend. We have seen variants of several families, including Alureon, Koobface, Sirefef and Ursnif targeting this platform. These families adopt various techniques to prevent their detection and removal, one of which is obfuscation. Let’s take […]

Category General Written by Microsoft Malware Protection Center 0 Comments

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Posts Tagged ‘dll files’

New Adobe Vulnerabilities Being Exploited in the Wild

There’s nothing old school about viruses

Obfuscating, bifurcating, escalating and mitigating on 64-bit

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