How to remove “Worm:Win32/Yuner.A”?

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: 0928206EF96A09F01766.mlw
path: /opt/CAPEv2/storage/binaries/f5ab78ade038538c52853277de094fb3a0937172d0d507c89e4f7df06c404d78
crc32: 85F42AE7
md5: 0928206ef96a09f01766fdd2923779da
sha1: 41c76a76813966d2aa04249d8e6bfb6ba9b10b2b
sha256: f5ab78ade038538c52853277de094fb3a0937172d0d507c89e4f7df06c404d78
sha512: 2e131b0103f1a0ecd850f381932ec562cb75da1ec7c7407743a3641423c7fb3a2d74d640ad507b4641ad013957e6067d9c8edff7c2ef4ad05411f28cb3af451f
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJc:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIt
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BB4412C2A6D95BF5ECC619771A23DF841F56FE3169C60A10BA44B16F49F7380AA13323
sha3_384: 5d3aa05fcd6d31af822f51ea5ff2458a92f579597318d5d139be59d15a4146d98be26f694c7bc03f94edf340ba427377
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.