Backdoor:Win32/Rifdoor.A!bit removal instruction

The Backdoor:Win32/Rifdoor.A!bit 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 Backdoor:Win32/Rifdoor.A!bit virus can do?

• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Sample contains Overlay data
• Reads data out of its own binary image
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Deletes executed files from disk
• Uses suspicious command line tools or Windows utilities
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Backdoor:Win32/Rifdoor.A!bit?

File Info:
name: CE8F30B3B569B6A9C95B.mlwpath: /opt/CAPEv2/storage/binaries/bf5123b4c81ae183a3c32bb55651bbeb2a3f17cb22c7fbdc120f8ffb72ee40d1crc32: 5300E8C2md5: ce8f30b3b569b6a9c95b4a76ceb65ff8sha1: f95f953b2920578cf9ab2bba51da037da587aa80sha256: bf5123b4c81ae183a3c32bb55651bbeb2a3f17cb22c7fbdc120f8ffb72ee40d1sha512: a040fd44632f43170e9eeb84f8ea64ecc6377270f099771dcc0145b1132a75ed145bc5b7de3cf8ade82830850b5116e29c4866cc9363abd1d54bedc145be601dssdeep: 768:34+PhlWX4NtT8P9QRyqiotQpZ407chTKvDHkASswtX3oYNlxMU/qXKJY7:oSoXgozqCAhTKvobxFNYUOp7type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1E133E153B710606BF662C935899EE21349B9F7D03D9CEC4AE06251D62C50FB27F5520Fsha3_384: 1dce2db81f2e1a39b7085bc2806a9655a8172be702455644e7a5eb32a3941dd1280cd7c6d0af04b937c38bea74f99929ep_bytes: 60be00f040008dbe0020ffff5783cdfftimestamp: 2016-01-30 00:31:12
Version Info:
CompanyName: Initech (C) Co, LtdFileDescription: Initech ClientFileVersion: 5.5.5.5InternalName: Initech ClientLegalCopyright: Copyright (C) 2016OriginalFilename: Initech ClientProductName: Initech ClientProductVersion: 1.0.0.24Translation: 0x0409 0x04b0

Backdoor:Win32/Rifdoor.A!bit also known as:

How to remove Backdoor:Win32/Rifdoor.A!bit?

• 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.