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
• 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: A1F80AF4E3E64C1E5893.mlw
path: /opt/CAPEv2/storage/binaries/9dd626c691f54b3ee66cefe8ced35d096a4f84870e82731bf0eb05b98d8876ad
crc32: B19253FD
md5: a1f80af4e3e64c1e5893f371559fbb4b
sha1: a88e7e0b1fa395c38abc7dbab8e4d94c2915499a
sha256: 9dd626c691f54b3ee66cefe8ced35d096a4f84870e82731bf0eb05b98d8876ad
sha512: 28c9976526f44a6d305014778af109d055b607488e15d714a5a31d05916119769b34f0658b6cc87e9bb27fe8743af63dfd4ecc910d95272a823c549045bc003c
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJn:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIC
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1534412C2A6D95AE5EC8619771A23DFC41F56FE3169C60A10BA44B16F49F73C0AA13323
sha3_384: f477cd42fdb37e47f1071cfb6b72f1ab713e782add1cd15711874dd75e25667d9d307b541d478a035f288601383cadca
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.