What is Ransom:Win32/Jaffrans infection?

In this article you will locate concerning the interpretation of Ransom:Win32/Jaffrans as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom money by a victim.

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In the majority of the instances, Ransom:Win32/Jaffrans virus will advise its sufferers to initiate funds transfer for the function of counteracting the amendments that the Trojan infection has presented to the sufferer’s device.

Ransom:Win32/Jaffrans Summary

These modifications can be as adheres to:

  • 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.
  • A process attempted to delay the analysis task.;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard drive — so the target can no more make use of the data;
  • Preventing routine accessibility 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.


The most normal networks where Ransom:Win32/Jaffrans Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a source that holds a harmful software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or prevent the tool from operating in a correct way – while additionally positioning a ransom money note that points out the need for the targets to effect the repayment for the purpose of decrypting the documents or bring back the documents system back to the initial condition. In a lot of circumstances, the ransom money note will certainly come up when the client restarts the PC after the system has actually currently been harmed.

Ransom:Win32/Jaffrans circulation channels.

In numerous corners of the world, Ransom:Win32/Jaffrans grows by jumps as well as bounds. Nonetheless, the ransom notes and tricks of obtaining the ransom money quantity may differ relying on specific regional (local) settings. The ransom money notes as well as tricks of obtaining the ransom money amount may vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In specific locations, the Trojans often wrongfully report having found some unlicensed applications allowed on the victim’s device. The alert then requires the user to pay the ransom money.

    Faulty statements regarding prohibited content.

    In nations where software application piracy is less popular, this technique is not as reliable for the cyber frauds. Alternatively, the Ransom:Win32/Jaffrans popup alert might falsely assert to be deriving from a law enforcement institution as well as will certainly report having located youngster pornography or various other unlawful information on the gadget.

    Ransom:Win32/Jaffrans popup alert might incorrectly claim to be deriving from a regulation enforcement organization and will report having situated kid porn or various other illegal information on the tool. The alert will in a similar way consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 19F625AF
md5: 68984daf0ea36361cc76d9440cbb06e5
name: 68984DAF0EA36361CC76D9440CBB06E5.mlw
sha1: dc6d5979e5780b4de52183386d865223a4bde157
sha256: 94f9c1ee170c47f4d04b8320c69483a64a3c031ea9d2aea084e00e584148cf1f
sha512: 7923520d33630abd3459d3b375bb924f2b5d15270ec934d21560e355a3a10b4491a659e70a76ee5686162f58c36d6df6ab8b626a19ea0deb869e670f2bc42e1e
ssdeep: 3072:M1HnSmjEIbCIQKXOE96zO+uwdtW9MH5ul8pcPgFB5A7RFvuhsN+hzWsCtoSBRjoX:M1Hrj3X/gO+uVyH5ul8pcPgFB5A4l
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: OPSWAT, Inc. Copyright 2015
InternalName: False
CompanyName: OPSWAT, Inc.
LegalTrademarks: OPSWAT, Inc. Copyright 2015
Comments: Bpdu Encoder Interruptions Coated
ProductName: False
Languages: English
FileDescription: Bpdu Encoder Interruptions Coated
OriginalFilename: False.exe
Translation: 0x0409 0x04b0

Ransom:Win32/Jaffrans also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.11758
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.JaffCrypt.5
Cylance Unsafe
Zillya Trojan.Jaff.Win32.6
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0050e8421 )
K7AntiVirus Trojan ( 0050e8421 )
Cyren W32/Jaff.UOMD-9359
Symantec Bloodhound.W32.EP
ESET-NOD32 a variant of Win32/GenKryptik.AHVB
Zoner Trojan.Win32.58565
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Jaff.bs
BitDefender Gen:Variant.Ransom.JaffCrypt.5
NANO-Antivirus Trojan.Win32.Jaff.eppaar
ViRobot Trojan.Win32.Ransom.217088.D
SUPERAntiSpyware Ransom.Jaff/Variant
MicroWorld-eScan Gen:Variant.Ransom.JaffCrypt.5
Tencent Malware.Win32.Gencirc.114933c0
Ad-Aware Gen:Variant.Ransom.JaffCrypt.5
Comodo Malware@#38v212lw9mb4j
BitDefenderTheta Gen:NN.ZexaF.34628.nq0@auV3KZai
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_MiliCry-1h
McAfee-GW-Edition BehavesLike.Win32.Dropper.dh
FireEye Generic.mg.68984daf0ea36361
Emsisoft Gen:Variant.Ransom.JaffCrypt.5 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.XPACK.Gen
eGambit Unsafe.AI_Score_98%
Microsoft Ransom:Win32/Jaffrans
Arcabit Trojan.Ransom.JaffCrypt.5
AegisLab Trojan.Win32.Jaff.j!c
GData Gen:Variant.Ransom.JaffCrypt.5
AhnLab-V3 Trojan/Win32.Jaff.C1974596
McAfee W32/Swaduk.gen
MAX malware (ai score=85)
VBA32 BScope.TrojanRansom.Encoder
Malwarebytes Malware.AI.610475691
Panda Trj/CI.A
TrendMicro-HouseCall Mal_MiliCry-1h
Rising Ransom.Jaffrans!8.E7AB (TFE:5:jofPx7gruLE)
Ikarus Trojan.Win32.Krypt
MaxSecure Win.MxResIcn.Heur.Gen
Fortinet W32/GenKryptik.AHVB!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HgIASOcA

How to remove Ransom:Win32/Jaffrans virus?

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/Jaffrans 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/Jaffrans you can always ask me in the comments for getting help.

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

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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