Should I remove “Worm:Win32/Vobfus.AAV”?

The Worm:Win32/Vobfus.AAV is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Worm:Win32/Vobfus.AAV virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Dynamic (imported) function loading detected
• Enumerates running processes
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Creates an autorun.inf file
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Detects Sandboxie through the presence of a library
• Detects Avast Antivirus through the presence of a library
• Behavioural detection: Injection (inter-process)
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Checks the presence of disk drives in the registry, possibly for anti-virtualization
• Creates a copy of itself
• Attempts to disable UAC
• Attempts to disable Windows Auto Updates
• Attempts to modify or disable Security Center warnings
• Anomalous binary characteristics
• Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Worm:Win32/Vobfus.AAV?

File Info:
name: 47E7E45D2989005F8F09.mlw
path: /opt/CAPEv2/storage/binaries/910fb2894e803de9b4a0e56454d67570d4a1d1d4b35acf947bedfbd509fbe2e9
crc32: 66A0763F
md5: 47e7e45d2989005f8f09296cec5ce190
sha1: 94811fda68258684ee2c57ef758fb4adadf3f061
sha256: 910fb2894e803de9b4a0e56454d67570d4a1d1d4b35acf947bedfbd509fbe2e9
sha512: 3ef34ec06377e4fecd4ef2c2b480a94d04655b945206b9cd967629ca765eae5d6e950ea25746ae5f111ca82c31d0da183af50b577fffdd5120d08ed06020e4d4
ssdeep: 3072:pMNTM6dFFE0gPJjzMzyDX62DHEt7KezRQBsRbzBpOViJ9GcXx:pOg2mtDu7KqCViqcB
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19004BF0BB922185BCC685AB245F781DD4B7B2CD376832B1FB60076681CB3FD029566F6
sha3_384: b61310d45c20e208895a9f5400aa2fdeadb0378f29ad62ddfe593c24abfa1d462ca718cb0b5a32356c86067a57b50d59
ep_bytes: 6810144000e8f0ffffff0000ffcc3100
timestamp: 2014-05-12 07:08:19

Version Info:
Translation: 0x0409 0x04b0

Worm:Win32/Vobfus.AAV also known as:

How to remove Worm:Win32/Vobfus.AAV?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.