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: 2BBE94480A1E696C50FB.mlw
path: /opt/CAPEv2/storage/binaries/876b2db498a7efd354ee8bd894da536a7a4cdc39c1f1e1e8af8bd3759988b7b7
crc32: 05544CF2
md5: 2bbe94480a1e696c50fb7a0e624e7468
sha1: a586c2f0ed65706db932f83a97c68ae3520665b7
sha256: 876b2db498a7efd354ee8bd894da536a7a4cdc39c1f1e1e8af8bd3759988b7b7
sha512: b9c6c6d8eb004b42004ae5c51d2bdfe5045afa4620c98134792e0d36ce3d320043fc8722f837788f5823c172e518e5bbf65d43d751cc3ceaa723ac9e2707c28e
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJe:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIj
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11E4412C2A6D95AF6ECC619771A23DF841F55FE3169C60A10BA04B16F49F73C1AA13323
sha3_384: 50dd079f30b4d2a069a362d472357fd8a2e17b9c83980a0335fc5054dd143e2285dc949378f6a13888db3b2dd5c89938
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.