Worm:Win32/Yuner.A removal guide

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.

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.

DOWNLOAD NOW

6-day free trial available.

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
• 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: 94E5C84F7C8363539FD9.mlw
path: /opt/CAPEv2/storage/binaries/bddcd2846d444287a2115fe67d39c7a2b78ee3d303d187e53dafcf950214a293
crc32: BA3CE213
md5: 94e5c84f7c8363539fd9709957c3f97b
sha1: 1e609105ff3330fe74eed18c79c60c4defe560e9
sha256: bddcd2846d444287a2115fe67d39c7a2b78ee3d303d187e53dafcf950214a293
sha512: fb66a3313a376a6062953c0dce5596d8bdb3e7354ef9d9229fc1bf2d5c97479529309a57a27e5df671926f434ce966ad5b3a7c19041fa5e9171da59ab5e71630
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJQ:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIz
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1DD4413C2A6D95AE6ECC619771A23DFC41F56FE3169C60910BA04B16F49F73C0AA13323
sha3_384: dc69f399850e770b610260a451637db532c4bb1c0f55a02b3bfd85303bcac04683243ae33fb629d221b06eb3b4c27995
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.