Should I remove “Worm:Win32/Yuner.A”?

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
• Creates an autorun.inf file
• Authenticode signature is invalid
• Attempts to identify installed AV products by registry key
• Checks for the presence of known devices from debuggers and forensic tools
• Checks for the presence of known devices from debuggers and forensic tools
• Detects the presence of Windows Defender AV emulator via files
• 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: 1C34D9CB70A68D03F18A.mlw
path: /opt/CAPEv2/storage/binaries/dd498f96fff49c3905960e9e0325781dccc53c2103dba2eea73ba6c805a8f59f
crc32: EF721975
md5: 1c34d9cb70a68d03f18af45dd99b01f1
sha1: 0f0b0ffaeff873f6427b8c15fdaca9766888d658
sha256: dd498f96fff49c3905960e9e0325781dccc53c2103dba2eea73ba6c805a8f59f
sha512: 44da4d4fbd71939e3de018467434e34fe99662566a8bf9f11d9b13e7f6e69200964e5448c04a947cdc4ddcf25896c5904b073341aab38332ee6733b8b475830b
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJH:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIa
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1384412C2A6D95AE6ECC619771A23DFC41F56FE3169C60A10BA04B16F49F73819A13323
sha3_384: 2e46c8c22ca7aeefab746010a2452f042c26b3271576d17145f41995b28abca51a10cfff1347a0b70ec2ebd59443a2e8
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.