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
• Uses Windows utilities for basic functionality
• 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
• 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: B32706462B368FEE9E6D.mlw
path: /opt/CAPEv2/storage/binaries/4554f3517432566b27931fcd43d1a29465bfeb0792b851b95c0a2d8b19437c96
crc32: CAA8AA50
md5: b32706462b368fee9e6d747021370d37
sha1: 07db2fc68b3c1747b5883918a39bf72c0fe68615
sha256: 4554f3517432566b27931fcd43d1a29465bfeb0792b851b95c0a2d8b19437c96
sha512: 26d90977bac4099529b53cfdc5ae50c8ab0108cbb20ceb566e508906aba518b98c65bcd1acc49a710756353cb24a5f4da823c2ec653c2b166922a2ba42727cb6
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJ5:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIG
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17D4412C2A6D95AF5ECC619771A23DF841F56FE3169C60A10BA44B16F49F7380AA13323
sha3_384: 5c957a7a07f218ce69a73afa3e470999322e2f1da79b7c060a8cbb843a49955bbf155ef664128ae287abcc50903aded8
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.