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
• 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: 58B90EE7252536DEED28.mlw
path: /opt/CAPEv2/storage/binaries/388bcd9267166f4dc23499c75871dfa3259c12016d2923db8d67ad65fc55e517
crc32: 465A012F
md5: 58b90ee7252536deed28892e86c29985
sha1: 8df61ccbd96d253acd173f23fb265d3817d86840
sha256: 388bcd9267166f4dc23499c75871dfa3259c12016d2923db8d67ad65fc55e517
sha512: 74d43fd39c4af4fb38b17592eb6b953da4e004b6cc9f147245a738e47713d2060c6c244640c9c35941fc104edaaa1185acaf071e1bb9744042e4d8a2e6f1e1fc
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJW:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIn
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14A4412C2A6D95AF5ECC619771A23DFC41F56FE3169C60A10BA04B16F49F7381AA13323
sha3_384: 9238b5e2a8d86531264333b14be179e8a502fa2afc02257b1ea536d23d6a018eb5bda31fc0346a0dd6a88e71d5f81f14
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.