Written by Robert Bailey

What is Win32/Bifrose.E infection?

In this post you will discover concerning the interpretation of Win32/Bifrose.E and its negative effect on your computer. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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In the majority of the situations, Win32/Bifrose.E virus will certainly advise its victims to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has actually presented to the target’s tool.

Win32/Bifrose.E Summary

These alterations can be as adheres to:

  • Creates RWX memory;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Ciphering the files found on the sufferer’s hard disk drive — so the victim can no longer make use of the information;
  • Preventing regular access to the victim’s workstation;

Related domains: Ransom:Win32/PornoAsset.5a41f860


One of the most typical networks whereby Win32/Bifrose.E Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a resource that organizes a destructive software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or stop the device from functioning in an appropriate way – while likewise putting a ransom note that points out the requirement for the targets to impact the repayment for the objective of decrypting the files or recovering the documents system back to the first condition. In many circumstances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Bifrose.E distribution networks.

In various corners of the globe, Win32/Bifrose.E expands by jumps as well as bounds. Nonetheless, the ransom money notes and methods of extorting the ransom money quantity may differ relying on particular local (regional) settings. The ransom money notes as well as methods of extorting the ransom money quantity might differ depending on certain regional (local) setups.

Ransomware injection

For instance:

    Faulty signals about unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications enabled on the victim’s tool. The sharp after that requires the customer to pay the ransom.

    Faulty statements about illegal content.

    In nations where software program piracy is less prominent, this method is not as effective for the cyber scams. Alternatively, the Win32/Bifrose.E popup alert might wrongly claim to be deriving from a police establishment and also will report having situated kid pornography or other prohibited data on the tool.

    Win32/Bifrose.E popup alert might incorrectly declare to be deriving from a legislation enforcement establishment as well as will report having located child porn or other prohibited data on the tool. The alert will likewise consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 249D9485
md5: c94241bf6c4d89a6a5e683668c28e46e
name: C94241BF6C4D89A6A5E683668C28E46E.mlw
sha1: 3ae4e72b809e16431bf954440e9f52d3e867eb54
sha256: 4fb8b495c5c16ea0d27a980a6192d2e29b0731f2559dd975c31933133830d805
sha512: 3961cd0eb9145faeed4fca94cf6b8ffd61a78334ea71eb6e9789833fd747a5702e1aaac38d1599c377b57dd8c0ffbf2d9cc3403f0a2b5dc88dcf731df2578a95
ssdeep: 3072:MofC+8/sUu4hWSfGCrN4JwhPaW5eu4hWSfGCrN4JwhPaW5W:/I8KWSXh4JYh5DKWSXh4JYh5W
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Bifrose.E also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb BackDoor.Bifrost.44
Cynet Malicious (score: 100)
ALYac Generic.Malware.SEn.945FB1AC
Cylance Unsafe
Zillya Backdoor.Bifrose.Win32.53239
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/PornoAsset.5a41f860
Cybereason malicious.f6c4d8
Cyren W32/Bifrost.D.gen!Eldorado
ESET-NOD32 a variant of Win32/Bifrose.E
APEX Malicious
Avast Win32:Bifrose-RB [Trj]
ClamAV Win.Trojan.Bifro_11-2
Kaspersky Trojan-Ransom.Win32.PornoAsset.cutp
BitDefender Generic.Malware.SEn.945FB1AC
NANO-Antivirus Trojan.Win32.Bifrose.jbya
ViRobot Backdoor.Win32.Bifrose.40960[UPX]
MicroWorld-eScan Generic.Malware.SEn.945FB1AC
Tencent Win32.Trojan.Pornoasset.Syhm
Ad-Aware Generic.Malware.SEn.945FB1AC
Comodo Backdoor.Win32.Agent.CEP_svr15@1qvbde
BitDefenderTheta AI:Packer.48AA28501E
VIPRE BehavesLike.Win32.Malware.bsf (vs)
Emsisoft Generic.Malware.SEn.945FB1AC (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor/Bifrose.amnx
Avira BDS/Bifrose.DS
Antiy-AVL Trojan/Generic.ASBOL.12D7
Microsoft Backdoor:Win32/Bifrose
ZoneAlarm Trojan-Ransom.Win32.PornoAsset.cutp
GData Generic.Malware.SEn.945FB1AC
AhnLab-V3 Trojan/Win32.Bifrose.R55072
McAfee BackDoor-CEP.svr
MAX malware (ai score=86)
VBA32 Malware-Cryptor.Inject.gen
Panda Generic Malware
Rising Backdoor.Bifrose!1.A05C (CLASSIC)
Yandex Trojan.GenAsa!xN7sHFNfcW0
Ikarus Backdoor.Win32.Bifrose
Fortinet W32/Bifrose.NT!tr.bdr
AVG Win32:Bifrose-RB [Trj]

How to remove Win32/Bifrose.E ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Bifrose.E files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Bifrose.E you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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