About “Trojan.Win32.KrServ.auj” infection

The Trojan.Win32.KrServ.auj 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.Win32.KrServ.auj virus can do?

• Executable code extraction
• Attempts to connect to a dead IP:Port (1 unique times)
• Presents an Authenticode digital signature
• Creates RWX memory
• Expresses interest in specific running processes
• Reads data out of its own binary image
• A process created a hidden window
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Uses Windows utilities for basic functionality
• Detects Sandboxie through the presence of a library
• Checks for the presence of known windows from debuggers and forensic tools
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• The following process appear to have been packed with Themida: Arch_31.exe, Cousin_59.exe, Grab_13.exe, RealtekSb.exe
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• Checks for the presence of known devices from debuggers and forensic tools
• Detects the presence of Wine emulator via registry key
• Checks the version of Bios, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Attempts to modify proxy settings
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

Related domains:

How to determine Trojan.Win32.KrServ.auj?

File Info:
crc32: 0707A5C2
md5: 6f98dc4f75cccb4d508839f18de4de03
name: 6F98DC4F75CCCB4D508839F18DE4DE03.mlw
sha1: fb2c4c2889b4965773d550c2791f07ff241d3f1e
sha256: 7bd759871cdf9ea2b3ba87f1ec1801c5e7e0f9e853199268d7bf3d7ece885065
sha512: 05732faefd62a640974e1ae61666d68047ec69a6ba23140dab076767b30ddbf6b8a4ee8e7e208ecc13ddfd34c9c034290ca31f0255b13a2ed2bef52636b5b1a4
ssdeep: 393216:2k3sH/aB5pcCZdpZpSPIu11Dq5prnbYqznfO+nShZfxQCjH:2qsivpbpZAg5VYYfOkSlhH
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:
LegalCopyright: xa9 1993-2009 Bxpphnjsyebd Znasqdsr Amczgmqzxd. All Rights Reserved.
InternalName: Znasqdsr
FileVersion: 9,7,18,1547
CompanyName: Aqgxffve Bxpphnjsyebd Ugrdwiice
LegalTrademarks: Ugrdwiice Amczgmqzxd Aqgxffve Qcuibhdppp Znasqdsr
ProductName: Znasqdsr Aqgxffve Qcuibhdppp
ProductVersion: 4,4,13,1581
FileDescription: Znasqdsr Amczgmqzxd Blsxvzp Qcuibhdppp
OriginalFilename: nasqdsr.exe
Translation: 0x0409 0x04e4

Trojan.Win32.KrServ.auj also known as:

How to remove Trojan.Win32.KrServ.auj?

• 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.