Ransom:Win32/Buhtrap!MTB

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

What is Ransom:Win32/Buhtrap!MTB infection?

In this article you will certainly locate regarding the meaning of Ransom:Win32/Buhtrap!MTB and its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet scams to require paying the ransom by a victim.

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In the majority of the instances, Ransom:Win32/Buhtrap!MTB ransomware will instruct its targets to start funds move for the function of counteracting the changes that the Trojan infection has presented to the victim’s gadget.

Ransom:Win32/Buhtrap!MTB 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.
  • Presents an Authenticode digital signature;
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk drive — so the sufferer can no more utilize the information;
  • Preventing regular access 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.

Ransom:Win32/Buhtrap!MTB

The most regular channels where Ransom:Win32/Buhtrap!MTB Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a source that holds a harmful software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the target’s PC or protect against the tool from functioning in a correct fashion – while additionally placing a ransom money note that discusses the need for the targets to impact the payment for the objective of decrypting the documents or restoring the data system back to the preliminary condition. In a lot of instances, the ransom money note will turn up when the customer reboots the PC after the system has actually currently been harmed.

Ransom:Win32/Buhtrap!MTB circulation networks.

In various corners of the globe, Ransom:Win32/Buhtrap!MTB grows by jumps and bounds. However, the ransom money notes and tricks of obtaining the ransom money quantity may vary depending upon particular regional (regional) setups. The ransom notes and also techniques of obtaining the ransom quantity may vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software.

    In particular areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications enabled on the target’s gadget. The sharp then demands the customer to pay the ransom.

    Faulty declarations about unlawful material.

    In nations where software piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Conversely, the Ransom:Win32/Buhtrap!MTB popup alert may incorrectly assert to be originating from a law enforcement establishment and will certainly report having located kid porn or other illegal information on the tool.

    Ransom:Win32/Buhtrap!MTB popup alert may incorrectly claim to be obtaining from a law enforcement establishment and also will report having located youngster pornography or other illegal data on the gadget. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 0057586E
md5: 9dc15f09419004c55a487381f4765e97
name: 9DC15F09419004C55A487381F4765E97.mlw
sha1: 191efae79d0586f60e077c0387f7acac802a4bc7
sha256: 13a940ac4fb1ac472c8706986a3059658426cbada00cb8327577e08d9397e724
sha512: 657c0fa222985600c8a9b232d00ec5b644b529c333861610f9ef62dce83524568114f83cde8a71b187797ed586a9dfabf73673884656b7576264ce4ccbe15eed
ssdeep: 6144:9GE9Ogt/d8W/PDoGm2fRtu5022W8B1EhZADnndkBfi2ADdSRb:jbtRboGpG50xWq1EXyndOfi2AEp
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Buhtrap!MTB also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusRiskware ( 0049f6ae1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.27282
CynetMalicious (score: 100)
ALYacTrojan.GenericKD.31760434
CylanceUnsafe
ZillyaTrojan.Lolopak.Win32.37
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (W)
AlibabaRansom:Win32/Buhtrap.6598017e
K7GWRiskware ( 0049f6ae1 )
Cybereasonmalicious.941900
CyrenW32/Trojan.UMLY-5477
SymantecTrojan Horse
ESET-NOD32Win32/Filecoder.Buran.B
ZonerTrojan.Win32.85826
APEXMalicious
AvastWin32:DangerousSig [Trj]
KasperskyTrojan.Win32.Lolopak.tu
BitDefenderTrojan.GenericKD.31760434
NANO-AntivirusTrojan.Win32.Encoder.fnmwby
MicroWorld-eScanTrojan.GenericKD.31760434
TencentWin32.Trojan.Lolopak.Hxzt
Ad-AwareTrojan.GenericKD.31760434
SophosMal/Generic-S + Mal/Generic-L
ComodoMalware@#1yx7s8z6kbs0x
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_GEN.USMGAHAL
McAfee-GW-EditionGenericRXHA-MO!9DC15F094190
FireEyeGeneric.mg.9dc15f09419004c5
EmsisoftMalCert.B (A)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Lolopak.dg
AviraTR/Crypt.XPACK.VM
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.2AB3B24
MicrosoftRansom:Win32/Buhtrap!MTB
AegisLabTrojan.Win32.Lolopak.4!c
GDataWin32.Trojan.Agent.QKDS7L
AhnLab-V3Trojan/Win32.Lolopak.C3575065
McAfeeGenericRXHA-MO!9DC15F094190
VBA32BScope.Trojan.Fuerboos
PandaTrj/WLT.E
TrendMicro-HouseCallTROJ_GEN.USMGAHAL
RisingSpyware.Stealer!8.3090 (KTSE)
IkarusTrojan-Ransom.Buran
FortinetW32/Kryptik.GPXX!tr.ransom
AVGWin32:DangerousSig [Trj]
Paloaltogeneric.ml

How to remove Ransom:Win32/Buhtrap!MTB 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 Ransom:Win32/Buhtrap!MTB 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 Ransom:Win32/Buhtrap!MTB 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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