Ransom:Win32/Stop.A!MTB

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

What is Ransom:Win32/Stop.A!MTB infection?

In this post you will certainly locate about the definition of Ransom:Win32/Stop.A!MTB and also its adverse influence on your computer system. Such ransomware are a type of malware that is specified by on the internet scams to demand paying the ransom by a target.

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In the majority of the cases, Ransom:Win32/Stop.A!MTB ransomware will advise its sufferers to launch funds move for the function of counteracting the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Ransom:Win32/Stop.A!MTB Summary

These modifications 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Unconventionial language used in binary resources: Rhaeto (Romance);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A scripting utility was executed;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 target’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Ransom:Win32/Stop.A!MTB
a.tomx.xyz Ransom:Win32/Stop.A!MTB

Ransom:Win32/Stop.A!MTB

The most typical networks where Ransom:Win32/Stop.A!MTB Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a destructive software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or prevent the tool from working in an appropriate fashion – while additionally placing a ransom money note that discusses the demand for the targets to impact the repayment for the purpose of decrypting the documents or bring back the documents system back to the initial problem. In most circumstances, the ransom money note will show up when the customer restarts the PC after the system has actually already been harmed.

Ransom:Win32/Stop.A!MTB circulation channels.

In different edges of the globe, Ransom:Win32/Stop.A!MTB expands by leaps as well as bounds. Nevertheless, the ransom notes and also methods of obtaining the ransom amount might differ depending upon particular neighborhood (local) settings. The ransom notes and techniques of extorting the ransom money amount may vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the target’s device. The sharp then demands the individual to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software application piracy is much less popular, this technique is not as effective for the cyber fraudulences. Alternatively, the Ransom:Win32/Stop.A!MTB popup alert might falsely declare to be stemming from a law enforcement institution and will report having located kid pornography or other illegal information on the gadget.

    Ransom:Win32/Stop.A!MTB popup alert might wrongly assert to be acquiring from a law enforcement institution as well as will certainly report having situated kid porn or various other prohibited information on the device. The alert will in a similar way include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 3E10713F
md5: ccd8c336436e6c989be6348f27cb4900
name: CCD8C336436E6C989BE6348F27CB4900.mlw
sha1: db29a4752cef1402a0ebf4d51b050d9035778b64
sha256: 853dd613a361ded145d8997fddce02ff8183be8f0d400ce5121dfabda5c27818
sha512: d6b9efc5708a64bffde09900def1639ee15417fff44dd200fadb1364fdda58cb13ff087fc6036588c93534cd366d81169bef93d7c737c0009ed8daf549798a88
ssdeep: 98304:r1yrDsqGJBBNE2RaMX6b2tisOMKNHZpKf6NUwOU:r1MDsvBBa2Rp6bmxOMK3p9E
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translations: 0x0115 0x01ed

Ransom:Win32/Stop.A!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.Mint.Titirez.1.31
FireEye Generic.mg.ccd8c336436e6c98
McAfee Trojan-FSUC!CCD8C336436E
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 00571c541 )
BitDefender Gen:Heur.Mint.Titirez.1.31
K7GW Trojan ( 00571c541 )
Cybereason malicious.52cef1
Cyren W32/Kryptik.CGZ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
ClamAV Win.Dropper.Glupteba-9783637-0
Kaspersky HEUR:Trojan-Banker.Win32.Danabot.vho
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Ad-Aware Gen:Heur.Mint.Titirez.1.31
F-Secure Heuristic.HEUR/AGEN.1139047
Invincea Generic ML PUA (PUA)
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
Emsisoft Trojan.Crypt (A)
Avira HEUR/AGEN.1139047
MAX malware (ai score=82)
Microsoft Ransom:Win32/Stop.A!MTB
Arcabit Trojan.Mint.Titirez.1.31
ZoneAlarm HEUR:Trojan-Banker.Win32.Danabot.vho
GData Gen:Heur.Mint.Titirez.1.31
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.MalPe.R353924
BitDefenderTheta Gen:NN.ZexaF.34590.txW@a0zxExEG
ALYac Gen:Heur.Mint.Titirez.1.31
Malwarebytes Trojan.MalPack.GS
Panda Generic Suspicious
ESET-NOD32 a variant of Win32/Kryptik.HGZO
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HHGA!tr
AVG Win32:DropperX-gen [Drp]
CrowdStrike win/malicious_confidence_80% (D)

How to remove Ransom:Win32/Stop.A!MTB 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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/Stop.A!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:

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If the guide doesn’t help you to remove Ransom:Win32/Stop.A!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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