Written by Robert Bailey

What is Win32/Bifrose.NTA infection?

In this post you will find regarding the meaning of Win32/Bifrose.NTA and its unfavorable effect on your computer system. Such ransomware are a type of malware that is clarified by online fraudulences to require paying the ransom money by a target.

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In the majority of the cases, Win32/Bifrose.NTA infection will instruct its targets to initiate funds transfer for the objective of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Bifrose.NTA Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • The binary likely contains encrypted or compressed data.;
  • Queries information on disks, possibly for anti-virtualization;
  • Executed a process and injected code into it, probably while unpacking;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the sufferer’s disk drive — so the sufferer can no longer use the data;
  • Preventing normal accessibility to the sufferer’s workstation;


One of the most common channels through which Win32/Bifrose.NTA Ransomware are infused are:

  • By ways of phishing emails;
  • As a consequence of individual ending up on a resource that holds a harmful software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s computer or stop the tool from operating in an appropriate way – while likewise placing a ransom money note that states the requirement for the targets to effect the settlement for the purpose of decrypting the papers or restoring the file system back to the first problem. In the majority of instances, the ransom note will certainly turn up when the client reboots the PC after the system has currently been damaged.

Win32/Bifrose.NTA circulation networks.

In numerous edges of the world, Win32/Bifrose.NTA grows by jumps and bounds. However, the ransom notes and also techniques of obtaining the ransom money quantity may differ depending upon particular neighborhood (local) setups. The ransom notes and also techniques of obtaining the ransom amount may differ depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s device. The alert after that demands the user to pay the ransom.

    Faulty statements concerning illegal web content.

    In countries where software program piracy is less prominent, this method is not as effective for the cyber frauds. Alternatively, the Win32/Bifrose.NTA popup alert may incorrectly assert to be originating from a law enforcement establishment as well as will report having situated kid porn or various other illegal information on the device.

    Win32/Bifrose.NTA popup alert might incorrectly declare to be deriving from a legislation enforcement institution and will certainly report having located child porn or other illegal data on the device. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 6971A79E
md5: f273b187c0b9b0df3436471e6da4dc68
name: F273B187C0B9B0DF3436471E6DA4DC68.mlw
sha1: 5927f4224499a07f3601cb6b97a580e294954b9e
sha256: 5b7090651a4ffb19e772a7866e652879510f985faa3adbcaf51c38d873e7758e
sha512: 169de7592a5dc3f70e0d1513a0851913c0f78eb3f23945734f21bee5edc97b299afe430b3d4a75fb40fb58b65d562794bbc306be28f47536480cc496f4d3607e
ssdeep: 6144:pYz2w+pCCTuiHOyfTGWWjRSwnVW5GJZ2tNYLj8MfscYTbUZj9ZwR+CSsy3:pYTACouoxfilVzYKj86sZ4JySsy3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: Project2
FileVersion: 44.00.0066
CompanyName: SEXY
ProductName: SEXY
ProductVersion: 44.00.0066
OriginalFilename: Project2.exe

Win32/Bifrose.NTA also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.Win32.Generic.lsk8
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop3.7243
Cynet Malicious (score: 100)
ALYac Gen:Heur.VB.Krypt.13
Cylance Unsafe
Zillya Trojan.VBKrypt.Win32.108232
CrowdStrike win/malicious_confidence_90% (D)
Alibaba VirTool:Win32/VBInject.add940ee
Cybereason malicious.7c0b9b
Baidu Win32.Backdoor.Bifrose.x
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Bifrose.NTA
Zoner Probably Heur.ExeHeaderH
APEX Malicious
Avast Win32:Inject-AII [Trj]
ClamAV Win.Packed.Bifrose-9802377-0
Kaspersky Trojan-Dropper.Win32.Injector.inuu
BitDefender Gen:Heur.VB.Krypt.13
NANO-Antivirus Trojan.Win32.VBKrypt.foimv
ViRobot Trojan.Win32.A.VBKrypt.327581.B
MicroWorld-eScan Gen:Heur.VB.Krypt.13
Tencent Win32.Trojan-dropper.Injector.Ebpz
Ad-Aware Gen:Heur.VB.Krypt.13
Sophos ML/PE-A
Comodo Malware@#1nj541a5um3tn
BitDefenderTheta AI:Packer.26E659FE21
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.VirRansom.fc
Emsisoft Gen:Heur.VB.Krypt.13 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/VBKrypt.dnqz
Webroot W32.Malware.Gen
Avira TR/Crypt.CFI.Gen
eGambit Generic.Malware
Antiy-AVL Trojan/Generic.ASMalwS.224F3B
Microsoft Trojan:Win32/Wacatac.B!ml
ZoneAlarm Trojan-Dropper.Win32.Injector.inuu
GData Gen:Heur.VB.Krypt.13
AhnLab-V3 Trojan/Win32.Refroso.C103814
McAfee Artemis!F273B187C0B9
MAX malware (ai score=100)
VBA32 BScope.Trojan.VB.01559
Malwarebytes Generic.Trojan.Dropper.DDS
Panda Generic Malware
Yandex Trojan.VBKrypt!QPJQKgKGNqQ
Ikarus Virus.Win32.VBInject
Fortinet W32/VBKrypt.BBBQ!tr
AVG Win32:Inject-AII [Trj]

How to remove Win32/Bifrose.NTA virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.NTA 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.NTA 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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