What is “Win32/Waledac.FJ”?

The Win32/Waledac.FJ 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 Win32/Waledac.FJ virus can do?

• Executable code extraction
• Creates RWX memory
• A process attempted to delay the analysis task.
• 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.
• The executable is compressed using UPX
• Uses Windows utilities for basic functionality
• Queries information on disks, possibly for anti-virtualization
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Creates a copy of itself
• Uses suspicious command line tools or Windows utilities

How to determine Win32/Waledac.FJ?

File Info:
crc32: 31018DE4
md5: 19e17983b39fd2d8be1eaf23f9fc2012
name: 19E17983B39FD2D8BE1EAF23F9FC2012.mlw
sha1: 662f9451e0643e0d8215fca75bbc9aa9dec3866d
sha256: 858426eefc9c39687563483865d029357d72651c96e4e5c99a1334737d1d63c7
sha512: fd25fe9b20c209194ee0356c4b5c5c001f21c61e96f740f48915df92096fdebcfbf8d8ece3cc1fcd6923fa419df176071f9211693f698a0c070eac0a2c1fee5e
ssdeep: 6144:3vGr+57OeEzZSGz+4z2pQicTQ0JrQu+Oomg3WdgTgoSOla/i+8:3vJyzDtqHyQ0JzDoPGdFoSUaK
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: Copyright (C) 2010
InternalName: UIScanner
FileVersion: 13,0,21,1
CompanyName: BitDefender S.R.L.
ProductName: BitDefender 2010
ProductVersion: 13,0,18,344
FileDescription: BitDefender Antivirus Scanner
OriginalFilename: uiscan.exe
Translation: 0x0409 0x04b0

Win32/Waledac.FJ also known as:

How to remove Win32/Waledac.FJ?

• 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.