About “Troj/Atbot-B” infection

The Troj/Atbot-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 Troj/Atbot-B virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Sample contains Overlay data
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Uses Windows utilities to create a scheduled task
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Deletes executed files from disk
• Attempts to interact with an Alternate Data Stream (ADS)
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Troj/Atbot-B?

File Info:
name: 5AB2523087C74EA2D78F.mlwpath: /opt/CAPEv2/storage/binaries/c98961bed829442aede8b346aa863e7bed5f9cc6c58a112f0be29b3f16e4023ecrc32: E369648Cmd5: 5ab2523087c74ea2d78f2fe3c7f122e5sha1: bc8385085d0ba760f4644ba1a0fbaff4c210b949sha256: c98961bed829442aede8b346aa863e7bed5f9cc6c58a112f0be29b3f16e4023esha512: 325069ff16a7bb29681257258443d67972508296869335d72f0696444ad6d77aefab5c6825ee4b13b06a5e81e3a0c246cfd7dad6353b7e3aa3cf056dfc053641ssdeep: 24576:ObCj2sObHtqQ4QEfCr7w7yvuqqNq8FroaSaPXRackmrM4Biq7MhLv9GImmVfq4e+:ObCjPKNqQEfsw43qtmVfq4Ntype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T142C5D0C5F2AA40E2DC123FF5582567C78B344E364B3840597BAB3D498F335E6C11AAB6sha3_384: 9be225a4f0a863e527eb1a3a2a0222367b6350cb91d8e48b88632b3c454fbeaa8a62eca2a61543b0af5c5e92572e7bedep_bytes: e837c20000e979feffffcccccccccccctimestamp: 2010-01-15 16:09:54
Version Info:
Translation: 0x0409 0x04b0CompanyName: Neil Hodgson neilh@scintilla.orgFileDescription: SciTE - a Scintilla based Text EditorFileVersion: 1.75InternalName: SciTELegalCopyright: Copyright 1998-2007 by Neil HodgsonOriginalFilename: SciTE.EXEProductName: SciTEProductVersion: 1.75

Troj/Atbot-B also known as:

How to remove Troj/Atbot-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.