Threat Description

Exploit:W32/D-Encrypted.Gen

Details

Aliases: Exploit.D-Encrypted.Gen
Category: Malware
Type: Exploit
Platform: W32

Summary



A program or technique that takes advantage of a vulnerability to remotely access or attack a program, computer or server.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions.



Technical Details



This malware is distributed as a malicious Microsoft Excel document attached to an e-mail message. The malicious Excel file itself is detected with the Generic Detection Exploit.D-Encrypted.Gen.

The Excel file contains an embedded encrypted executable file. It also contains an embedded Flash (.swf) file maliciously modified to exploit a known vulnerability (CVE-2011-0609) in certain older, unpatched versions of Adobe Flash player.

The Flash file decrypts the embedded executable file (detected as Trojan.Agent.ARKJ), which is the real payload for this malware.

Once decrypted, the trojan attempts to connect to and download additional files from:

  • http: // 12.40.112.141

At the time of writing, the malware appears unable to find the target files.

More

Further information on the exploit used is available at:






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