melbourne | DataProtectionCenter.com

There’s nothing old school about viruses

22

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

More 64-bit obfuscator madness

20

Jul

2012

Just after we published a blog about a 64-bit obfuscator, we very quickly discovered another malware family following the same trend. Claretore is also using two-layer 64-bit obfuscation, although it does it a little differently to Ursnif. The first layer simply decrypts the code of the second layer and passes it control. There’s even a 64-bit […]

Category General Written by Microsoft Malware Protection Center 0 Comments

Ransomware: Playing on your fears

16

Mar

2012

The last two years have seen an increase in malware which takes control of, and holds hostage an infected machine, locking the user out until a payment of some form can be extorted. This threat type is also known as ‘ransomware’. Various tactics have been used by the malware writers in an attempt to intimidate […]

Category General Written by Microsoft Malware Protection Center 0 Comments

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There’s nothing old school about viruses

More 64-bit obfuscator madness

Ransomware: Playing on your fears

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