Worm:Win32/Yuner.A information

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
• 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: 3E24EEB121476B35A254.mlw
path: /opt/CAPEv2/storage/binaries/a6a0900a1843ce3988038a2ee78b5ccf65f240056df8b5bb9d3f9f62633e1b93
crc32: B6A518EE
md5: 3e24eeb121476b35a254f56ab149a0b1
sha1: 19fd8350e23982920c2537364bff5a47f10c0ff8
sha256: a6a0900a1843ce3988038a2ee78b5ccf65f240056df8b5bb9d3f9f62633e1b93
sha512: 11c42e2fe24d7f980a8a98b91c53f9086a6d627a05a5678b85c4e2aea8a9d1a5f88608598b05fa89d355d9489fc868e8c0a6030cc651f5c2dbcb3212af70fe42
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJx:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIa
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B14413C2A6D95AE5ECC619771A23DFC41F56FE3169C60A10BA04B16F49F7381AA13323
sha3_384: 77402155c24674f7246dd7a427008c664f95add14c37d62f51ec3de11f9c4378340f0932313bab74c56545eff144b881
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.