Ransom:Win32/Molock.A!rfn

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

What is Ransom:Win32/Molock.A!rfn infection?

In this short article you will discover regarding the meaning of Ransom:Win32/Molock.A!rfn and its unfavorable impact on your computer. Such ransomware are a form of malware that is clarified by online frauds to require paying the ransom by a victim.

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Most of the situations, Ransom:Win32/Molock.A!rfn ransomware will certainly instruct its sufferers to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s gadget.

Ransom:Win32/Molock.A!rfn Summary

These alterations can be as adheres to:

  • 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.
  • The executable is compressed using UPX;
  • Ciphering the records located on the sufferer’s hard disk — so the victim can no more use the data;
  • Preventing normal accessibility 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.

Ransom:Win32/Molock.A!rfn

The most typical networks whereby Ransom:Win32/Molock.A!rfn Ransomware are infused are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a source that organizes a harmful software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or stop the tool from operating in a correct way – while also positioning a ransom money note that states the demand for the targets to effect the settlement for the objective of decrypting the records or restoring the documents system back to the initial problem. In most instances, the ransom note will certainly turn up when the client restarts the PC after the system has actually currently been damaged.

Ransom:Win32/Molock.A!rfn distribution channels.

In numerous corners of the world, Ransom:Win32/Molock.A!rfn grows by jumps and also bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom money amount might vary depending upon certain local (regional) setups. The ransom money notes as well as tricks of extorting the ransom money quantity may differ depending on specific regional (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software program.

    In certain areas, the Trojans commonly wrongfully report having actually identified some unlicensed applications allowed on the victim’s device. The alert after that requires the individual to pay the ransom.

    Faulty declarations about illegal web content.

    In countries where software program piracy is less prominent, this technique is not as reliable for the cyber scams. Alternatively, the Ransom:Win32/Molock.A!rfn popup alert may incorrectly claim to be stemming from a police organization as well as will report having located child pornography or other unlawful information on the tool.

    Ransom:Win32/Molock.A!rfn popup alert might incorrectly claim to be obtaining from a regulation enforcement institution and will certainly report having situated kid pornography or various other unlawful data on the device. The alert will in a similar way consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 9E54C922
md5: 7c05c69dd925800c65ff4f3578cd8f15
name: 7C05C69DD925800C65FF4F3578CD8F15.mlw
sha1: 01321e9711e0aab33db8ab30bef43a171373340e
sha256: 8f699ebaeba1453e3d377f2ccf59873a6d3d98b4e7669846e1feeec253e0e76c
sha512: 4b40e02365bdc68ac89abc8699ad6a752e0a7cc61d0686ad2572a11159088cad99c1ceadf81426451f6feb16691be5aeeace948af595acf2898fc3333c37bb70
ssdeep: 24576:SprfsLf74jMGe/sP0FDvcA44TzjjBB8FT7gcmhaELwzd:Ysb74jssPSoTSzjd45mkEg
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: x5341x9999 x7248x6743x6240x6709
FileVersion: 1.0.0.0
CompanyName: x5341x9999
Comments: x672cx7a0bx5e8fx4f7fx7528x6613x8bedx8a00x7f16x5199(http://www.eyuyan.com)
ProductName: x6613x8bedx8a00x7a0bx5e8f
ProductVersion: 1.0.0.0
FileDescription: x5341x9999
Translation: 0x0804 0x04b0

Ransom:Win32/Molock.A!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00521b151 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Generic.Ransom.MBRLock.849A2384
Cylance Unsafe
Sangfor Ransom.Win32.Molock.A!bit
Alibaba Ransom:Win32/Molock.393666a5
K7GW Trojan ( 00521b151 )
Cybereason malicious.dd9258
Cyren W32/Trojan.CLL.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.BlackMoon.A potentially unwanted
APEX Malicious
Avast Win32:Malware-gen
BitDefender Generic.Ransom.MBRLock.849A2384
NANO-Antivirus Virus.Win32.Agent.dvixmz
MicroWorld-eScan Generic.Ransom.MBRLock.849A2384
Tencent Win32.Trojan.Pswchanger.Auto
Ad-Aware Generic.Ransom.MBRLock.849A2384
Sophos Mal/Generic-S
Comodo Malware@#f73qz87dj758
BitDefenderTheta Gen:NN.ZexaF.34678.bnKfa4E5RLjb
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Autorun.tc
FireEye Generic.mg.7c05c69dd925800c
Emsisoft Generic.Ransom.MBRLock.849A2384 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Ransom.Molock.muasl
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:Win32/Molock.A!rfn
Arcabit Generic.Ransom.MBRLock.849A2384
GData Win32.Application.PUPStudio.A
McAfee Artemis!7C05C69DD925
MAX malware (ai score=100)
VBA32 BScope.Trojan.Tiggre
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
Yandex Riskware.BlackMoon!wZto9Y8aTOg
Ikarus PUA.BlackMoon
MaxSecure Dropper.Dinwod.frindll
Fortinet W32/CoinMiner.BELF!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Molock.HgIASSUA

How to remove Ransom:Win32/Molock.A!rfn 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/Molock.A!rfn 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/Molock.A!rfn 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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