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
• 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: 2139DFFBE2225B9F14F1.mlw
path: /opt/CAPEv2/storage/binaries/9c3d84b1142fd652870da6408022bac0aa8aaf8f48ed05cca993f23cdaa429c7
crc32: 3E233EF6
md5: 2139dffbe2225b9f14f192679998181e
sha1: 5cfa2d09169591f94a6f1c922710037dc7c77720
sha256: 9c3d84b1142fd652870da6408022bac0aa8aaf8f48ed05cca993f23cdaa429c7
sha512: 71c42712a1cbf747386025e2e40bc5e39466c7dd5a69cea8ff2804266a88db7fb088d2e2b92cbc3452cf09d5a38f48de74b90df3930c8998bf6d228859844f0e
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJR:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIO
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18D4413C2A6D95BE5ECC619771A23DFC41B56FE3169C60A10BA44B16F49F7380AA13323
sha3_384: 453ea3daedf6a3fafb8db1a6020e842f2b7550b096d41838ec4c02861a41fc7860fea17ad1a9873f88604f488948c541
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.