Backdoor:Win32/Bifrose.HU

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Backdoor:Win32/Bifrose.HU infection?

In this short article you will certainly locate concerning the meaning of Backdoor:Win32/Bifrose.HU and also its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom by a target.

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In the majority of the situations, Backdoor:Win32/Bifrose.HU virus will instruct its targets to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the target’s gadget.

Backdoor:Win32/Bifrose.HU Summary

These alterations can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard disk drive — so the sufferer can no more utilize the information;
  • Preventing routine accessibility to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Backdoor:Win32/Bifrose.HU

The most typical networks where Backdoor:Win32/Bifrose.HU Ransomware are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that holds a destructive software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s computer or avoid the gadget from operating in an appropriate fashion – while likewise placing a ransom note that states the requirement for the sufferers to effect the settlement for the objective of decrypting the records or recovering the documents system back to the initial problem. In the majority of circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Backdoor:Win32/Bifrose.HU distribution networks.

In different corners of the world, Backdoor:Win32/Bifrose.HU expands by jumps as well as bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money quantity may differ depending upon particular local (regional) setups. The ransom notes and tricks of extorting the ransom quantity may vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In certain areas, the Trojans often wrongfully report having found some unlicensed applications enabled on the target’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In nations where software program piracy is much less prominent, this technique is not as efficient for the cyber frauds. Additionally, the Backdoor:Win32/Bifrose.HU popup alert may wrongly assert to be stemming from a law enforcement institution and will report having located youngster porn or various other prohibited data on the tool.

    Backdoor:Win32/Bifrose.HU popup alert may falsely declare to be deriving from a legislation enforcement institution and also will report having situated child pornography or other illegal information on the tool. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 1E7274A4
md5: beea819b39c1bd74b4c3d80f85ae37af
name: BEEA819B39C1BD74B4C3D80F85AE37AF.mlw
sha1: bd6d6e08d989f379036a2135aad621688cdf43da
sha256: 5c56dd4af6c0ffd05252cc2226e81415886e6f4ba21b72ac14dfc671aceea77d
sha512: 2d4511c972787ff0b09da937ebcc153d03fe34b0db9565c6a01f7a8efd04eadbca3a949053ba51012f1520d5d3d8d27442d941b6428ed7d0773075a31ee59b39
ssdeep: 12288:Zy9H3GhJmN4A0lN1ygMageHHlVH0ppa+ZcVPV2ZZa7/zeKVMKPURARJ/O0g4x5:8p2mNcNcgMmn/8abpIZqXMKPd/W01x
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x7248x6743x6240x6709 (C) 2007
InternalName: gh0st RAT
FileVersion: 3, 5, 0, 0
CompanyName:
PrivateBuild:
LegalTrademarks:
Comments:
ProductName: gh0st x5e94x7528x7a0bx5e8f
SpecialBuild:
ProductVersion: 3, 5, 0, 0
FileDescription: Gh0st RAT By CoolDiyer
OriginalFilename: gh0st.EXE
Translation: 0x0804 0x04b0

Backdoor:Win32/Bifrose.HU also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
DrWebBackDoor.Siggen.52105
MicroWorld-eScanGenPack:Generic.PcClient2.659D68DD
FireEyeGeneric.mg.beea819b39c1bd74
ALYacGenPack:Generic.PcClient2.659D68DD
CylanceUnsafe
VIPRETrojan-Dropper.Win32.Resdro.b (v) (not malicious)
K7AntiVirusTrojan ( 0052c8a31 )
BitDefenderGenPack:Generic.PcClient2.659D68DD
K7GWTrojan ( 0052c8a31 )
Cybereasonmalicious.b39c1b
BitDefenderThetaAI:Packer.6F0BBBB321
APEXMalicious
AvastWin32:Small-NGK [Trj]
ClamAVWin.Dropper.Ramnit-7076131-0
KasperskyTrojan-GameThief.Win32.Magania.actz
AlibabaBackdoor:Win32/Magania.c7174091
NANO-AntivirusVirus.Win32.Gen-Crypt.ccnc
RisingBackdoor.Bifrose!8.B24 (CLOUD)
Ad-AwareGenPack:Generic.PcClient2.659D68DD
EmsisoftGenPack:Generic.PcClient2.659D68DD (B)
SophosML/PE-A + Troj/Zegost-U
AviraHEUR/AGEN.1140256
MicrosoftBackdoor:Win32/Bifrose.HU
GDataGenPack:Generic.PcClient2.659D68DD
CynetMalicious (score: 100)
ESET-NOD32a variant of Win32/Farfli.ARN
Acronissuspicious
McAfeeBackDoor-EXZ
MAXmalware (ai score=80)
VBA32BScope.Trojan.MulDrop
TencentWin32.Trojan.Generic.Plaw
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Filecoder.FV!tr.ransom
AVGWin32:Small-NGK [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Trojan.41f

How to remove Backdoor:Win32/Bifrose.HU ransomware?

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 Backdoor:Win32/Bifrose.HU 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:

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

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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