Trojan.Agent.Qakbot (file analysis)

The Trojan.Agent.Qakbot 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 Trojan.Agent.Qakbot virus can do?

• Executable code extraction
• Injection (inter-process)
• Injection (Process Hollowing)
• Presents an Authenticode digital signature
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
• A process created a hidden window
• Drops a binary and executes it
• Uses Windows utilities for basic functionality
• Executed a process and injected code into it, probably while unpacking
• Installs itself for autorun at Windows startup
• Creates a copy of itself
• Anomalous binary characteristics

How to determine Trojan.Agent.Qakbot?

File Info:
crc32: F4110E97
md5: 9b4f94e8a8d1871a743ad8876e80074c
name: upload_file
sha1: 83c34a40282ffde1433b7db42cff8288e59bd132
sha256: 68da0929629b6ff4834c4238a08a42618f327c140e64f7700b4857cb7f261675
sha512: fdf02c0ad691ac506fd7ceaafd8b6ff5a04020c9532374be4965918c17da5f9e40145ed31a3c78c65bb9892aaccb564532f072c538fe49c959d1cad47c94b047
ssdeep: 6144:+Id1grY0tn9cV1pZzcF0t+gydsdHWflS9klcRfw63wTcTgE:+Id5N7zHV762RIg
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: xa9 Microsoft Corporation.  All rights reserved.
Assembly Version: 3.5.0.0
InternalName: EdmGen.exe
FileVersion: 3.5.30729.5420
CompanyName: Microsoft Corporation
Comments: EdmGen.exe
ProductName: Microsoftxae .NET Framework
ProductVersion: 3.5.30729.5420
FileDescription: EdmGen.exe
OriginalFilename: EdmGen.exe
Translation: 0x0000 0x04b0

Trojan.Agent.Qakbot also known as:

How to remove Trojan.Agent.Qakbot?

• 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.