Worm:Win32/Yuner.A malicious file

The Worm:Win32/Yuner.A 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/Yuner.A virus can do?

• A file was accessed within the Public folder.
• Sample contains Overlay data
• Reads data out of its own binary image
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• Attempts to identify installed AV products by registry key
• Attempts to disable System Restore
• Attempts to disable Windows File Protection aka System File Checker.
• Touches a file containing cookies, possibly for information gathering
• Attempts to modify or disable Security Center warnings
• Attempts to modify Explorer settings to prevent file extensions from being displayed
• Attempts to modify Explorer settings to prevent hidden files from being displayed
• Yara detections observed in process dumps, payloads or dropped files

How to determine Worm:Win32/Yuner.A?

File Info:
name: 3BFE41F70B9E68252BBF.mlw
path: /opt/CAPEv2/storage/binaries/7dbab8384e83fd3a0d8c03658a79c4482dc1c44f6d1a1a3931556321c918498f
crc32: 8DE3BF90
md5: 3bfe41f70b9e68252bbf983fd7c796ed
sha1: c74827dcef454dcbea303799024adcdc9f751073
sha256: 7dbab8384e83fd3a0d8c03658a79c4482dc1c44f6d1a1a3931556321c918498f
sha512: 240ebea5a76baeef08de881535b6471b7db82fd7e44eac3cad59dbdeb663815364084fd6df95ccae02be013793e8d6778c05e3c0a4100cf5c328837792269771
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJv:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIe
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AA4413C2A6D95AE6ECC619771A23DF841F56FE3169C60910BA04B16F49F73C1AA13323
sha3_384: 2f06c0ee35ba397bba48752167fd041d060db42097e17e336330abea52690d0e4a65872df07e1f159b588cda4e7e6e72
ep_bytes: 60be002046008dbe00f0f9ff57eb0b90
timestamp: 2007-09-10 14:57:50

Version Info:
FileDescription: 
Virus.Name.: ., ., ., .
Nuyer.........: ...... .. ...... : ., ., ., .
Translation: 0x0809 0x04b0

Worm:Win32/Yuner.A also known as:

How to remove Worm:Win32/Yuner.A?

• 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.