About “Worm:Win32/NeksMiner.A” infection

The Worm:Win32/NeksMiner.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.

What Worm:Win32/NeksMiner.A virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• A process created a hidden window
• Executed a very long command line or script command which may be indicative of chained commands or obfuscation
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• A ping command was executed with the -n argument possibly to delay analysis
• Uses Windows utilities for basic functionality
• Attempts to modify desktop wallpaper
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Attempts to modify proxy settings
• Appears to use command line obfuscation
• Creates a copy of itself
• Uses suspicious command line tools or Windows utilities
• Uses XCOPY for copying files

How to determine Worm:Win32/NeksMiner.A?

File Info:
name: 938150F91D742C07236F.mlwpath: /opt/CAPEv2/storage/binaries/43a76564e07435ac07f3d3d3ab49885bd0bf8562d0c14a87fc2d536d4c94b62bcrc32: 7F96B570md5: 938150f91d742c07236f8bf8c4823028sha1: 9a375e941eb880f0f8be3d8cef2e149b74df140bsha256: 43a76564e07435ac07f3d3d3ab49885bd0bf8562d0c14a87fc2d536d4c94b62bsha512: 12ad34b4acbe9499e789790f6b7809846f873b148d84dae895f3989901ee2fba2af9734f47670144fb5a16067ca54e44e5f01fc49804b02dc0cb4ceb510e9c2dssdeep: 24576:YavAavAavAavAavAavAavAavAavAavAavAavAavAav:YeAeAeAeAeAeAeAeAeAeAeAeAeAetype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16665CF9672E0C1A7E093463195AFDBB6EBB3B811321541133B603FAF3D35283642A757sha3_384: 145b627afa81a443a988c89301a1ac8c794c346dc46a6049f6fef49bdfb783e22df751a4312426c4a674c3872a7c2285ep_bytes: 81ec8001000053555633db57895c2418timestamp: 2009-12-05 22:52:01
Version Info:
0: [No Data]

Worm:Win32/NeksMiner.A also known as:

How to remove Worm:Win32/NeksMiner.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.