Ransom:Win32/Mambretor.A

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

What is Ransom:Win32/Mambretor.A infection?

In this short article you will certainly find regarding the definition of Ransom:Win32/Mambretor.A and its negative impact on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to require paying the ransom by a target.

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In the majority of the cases, Ransom:Win32/Mambretor.A virus will instruct its targets to start funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s device.

Ransom:Win32/Mambretor.A Summary

These alterations can be as follows:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • 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.
  • Ciphering the files found on the target’s hard disk — so the victim can no longer utilize the data;
  • Preventing regular access to the sufferer’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.Mambretor.A5
a.tomx.xyz Ransom.Mambretor.A5

Ransom:Win32/Mambretor.A

One of the most common channels through which Ransom:Win32/Mambretor.A Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a resource that organizes a harmful software application;

As quickly as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s computer or avoid the gadget from operating in a proper fashion – while additionally placing a ransom note that points out the demand for the victims to effect the payment for the purpose of decrypting the papers or recovering the documents system back to the preliminary problem. In the majority of instances, the ransom money note will certainly turn up when the customer reboots the PC after the system has currently been harmed.

Ransom:Win32/Mambretor.A circulation channels.

In different corners of the world, Ransom:Win32/Mambretor.A expands by jumps and bounds. However, the ransom notes and also methods of obtaining the ransom money quantity may differ relying on particular neighborhood (local) setups. The ransom money notes and techniques of obtaining the ransom quantity might vary depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having discovered some unlicensed applications allowed on the victim’s device. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about unlawful web content.

    In countries where software application piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Conversely, the Ransom:Win32/Mambretor.A popup alert may falsely claim to be stemming from a law enforcement organization as well as will certainly report having located youngster porn or various other prohibited information on the tool.

    Ransom:Win32/Mambretor.A popup alert might incorrectly claim to be deriving from a regulation enforcement institution and will certainly report having located child pornography or various other unlawful data on the device. The alert will similarly have a need for the user to pay the ransom.

Technical details

File Info:

crc32: 2EA803D9
md5: c27dd0fca00c02fdb3998282a355e6d4
name: C27DD0FCA00C02FDB3998282A355E6D4.mlw
sha1: 16f25bd505a1b6ed7aaf7c8417c24ff911751b58
sha256: 8bcb630a7a395e19c6c2493270ec561fa7c23e86260ddf1ad57438026e742a5a
sha512: d2f74529ff309f5a6117884334434a9198ea9a54678a15729b3da67fd3620306db1fccb2d56a3fa607655cee2f4ad5c8e07bd5a5dca80ca76eb4d046baa0b931
ssdeep: 12288:vxLfgrsfhVjVcPweYjM9c5UHC8i7OC3q7N8l0sz7oryZnz3tYSE2u8rWgSMF:vxLocrjVBYzi8uhq7i0+Zz3O2uq1SMF
type: PE32 executable (console) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Ransom:Win32/Mambretor.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Graftor.371876
FireEye Gen:Variant.Graftor.371876
CAT-QuickHeal Ransom.Mambretor.A5
McAfee Artemis!C27DD0FCA00C
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Variant.Graftor.371876
K7GW Trojan ( 004fc9bb1 )
Cybereason malicious.ca00c0
BitDefenderTheta Gen:NN.ZexaF.34590.TmGfaS!oLDdi
Cyren W32/Trojan.CTJU-1873
Symantec Ransom.HDDCryptor
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Ransom.Win32.Blocker.jtsl
Alibaba Ransom:Win32/Blocker.c656f1bd
NANO-Antivirus Trojan.Win32.Filecoder.elaurk
AegisLab Trojan.Win32.Blocker.j!c
Tencent Win32.Trojan.Blocker.Swun
Ad-Aware Gen:Variant.Graftor.371876
TACHYON Ransom/W32.Dcryptor.2415104
Sophos Troj/Mamba-B
F-Secure Trojan.TR/Crypt.ZPACK.Gen8
DrWeb Trojan.Ransom.676
Zillya Trojan.Blocker.Win32.37774
McAfee-GW-Edition Ransom-Buster!F93C8DA34F2C
Emsisoft Gen:Variant.Graftor.371876 (B)
Ikarus Trojan.Win32.Filecoder
Jiangmin Trojan.Dcryptor.a
MaxSecure Trojan.Malware.300983.susgen
Avira TR/FileCoder.rrsau
Antiy-AVL Trojan[Ransom]/Win32.Dcryptor
Microsoft Ransom:Win32/Mambretor.A
Gridinsoft Ransom.Win32.Blocker.oa
Arcabit Trojan.Graftor.D5ACA4
ZoneAlarm Trojan-Ransom.Win32.Blocker.jtsl
GData Win32.Trojan-Ransom.Mamba.A
Cynet Malicious (score: 90)
VBA32 Hoax.Dcryptor
ALYac Gen:Variant.Graftor.371876
MAX malware (ai score=82)
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
ESET-NOD32 Win32/Filecoder.DCryptor.B
Rising Trojan.Filecoder!1.C14C (CLOUD)
Yandex Trojan.Filecoder!mYOKpMgbUpE
SentinelOne Static AI – Malicious PE
Fortinet W32/Dcryptor.A!tr.ransom
AVG FileRepMalware
CrowdStrike win/malicious_confidence_70% (W)
Qihoo-360 Win32/Ransom.Blocker.HgIASP4A

How to remove Ransom:Win32/Mambretor.A 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 Ransom:Win32/Mambretor.A 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

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