Win32/DelShad.B removal instruction

The Win32/DelShad.B 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.

What Win32/DelShad.B virus can do?

• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Sample contains Overlay data
• Reads data out of its own binary image
• Unconventionial language used in binary resources: Russian
• Authenticode signature is invalid
• A ping command was executed with the -n argument possibly to delay analysis
• Uses Windows utilities for basic functionality
• Uses Windows utilities to create a scheduled task
• Attempts to interact with an Alternate Data Stream (ADS)
• Modifies Image File Execution Options, indicative of process injection or persistence
• Creates known PcClient mutex and/or file changes.
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Win32/DelShad.B?

File Info:
name: A24635BF5F786591B541.mlwpath: /opt/CAPEv2/storage/binaries/870d99f50bd6cb6f5f02bbde1545196b699230e7093a4efcd9020f477a1c6dcdcrc32: 9F8FDF35md5: a24635bf5f786591b5410e7250117d2esha1: e398c44110bdf3ec5ff2af1de30b2ca2224140b4sha256: 870d99f50bd6cb6f5f02bbde1545196b699230e7093a4efcd9020f477a1c6dcdsha512: 8e7d2b5578bffef81dd4e1cbd2bd9bbead223dd7f1bb468313d21659e2d28ee7f4bff837aec80a9d99c4c56564cfa62ea651684d09fdc172e534e02036abe761ssdeep: 49152:Al4IZR+LVdC4Pt3yBM6ly01WcJMoSwfnurCRFOVcovutSYMk5bMyA:hIZRkVdj6n+IGrCRFO7vutSYZuyAtype: PE32+ executable (GUI) x86-64, for MS Windowstlsh: T187E5233EB66C48B4CA2AC079CF95AA4AD7B2F504439083DB5154CBB34E27FA4AC2D355sha3_384: 78abf42ab866f81e3e3bb466da712dbcd2abf8b6834c1af9e891d0ac2b81c0352fe3050f50eb3e46e2b895f6a1e8ee42ep_bytes: 4883ec28e8f30100004883c428e9eafctimestamp: 2012-12-31 00:39:34
Version Info:
CompanyName: Oleg N. ScherbakovFileDescription: 7z Setup SFX (x64)FileVersion: 1.6.0.2712InternalName: 7ZSfxModLegalCopyright: Copyright © 2005-2012 Oleg N. ScherbakovOriginalFilename: 7ZSfxMod_x64.exePrivateBuild: December 30, 2012ProductName: 7-Zip SFXProductVersion: 1.6.0.2712Translation: 0x0000 0x04b0

Win32/DelShad.B also known as:

How to remove Win32/DelShad.B?

• 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.