Ransom:MSIL/Genasom

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

What is Ransom:MSIL/Genasom infection?

In this post you will discover regarding the definition of Ransom:MSIL/Genasom and its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by online frauds to demand paying the ransom money by a victim.

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Most of the situations, Ransom:MSIL/Genasom virus will certainly advise its sufferers to launch funds move for the function of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s tool.

Ransom:MSIL/Genasom Summary

These alterations 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.
  • 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
  • Ciphering the documents found on the target’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular accessibility to the target’s workstation;

Ransom:MSIL/Genasom

The most common channels whereby Ransom:MSIL/Genasom are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a resource that organizes a malicious software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or avoid the tool from working in an appropriate way – while additionally putting a ransom money note that points out the requirement for the victims to effect the repayment for the purpose of decrypting the documents or restoring the file system back to the first condition. In most instances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has currently been damaged.

Ransom:MSIL/Genasom distribution networks.

In different corners of the globe, Ransom:MSIL/Genasom expands by leaps as well as bounds. However, the ransom money notes and also techniques of obtaining the ransom money quantity may vary depending on particular regional (regional) setups. The ransom money notes as well as methods of extorting the ransom money quantity may differ depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having actually identified some unlicensed applications made it possible for on the target’s tool. The sharp after that demands the customer to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software program piracy is much less preferred, this method is not as efficient for the cyber scams. Conversely, the Ransom:MSIL/Genasom popup alert might incorrectly declare to be originating from a police establishment and will certainly report having located kid pornography or various other unlawful data on the gadget.

    Ransom:MSIL/Genasom popup alert may incorrectly claim to be deriving from a legislation enforcement establishment as well as will certainly report having located kid pornography or other prohibited data on the device. The alert will similarly contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: E573A5AA
md5: 53e7cad033fd0d2e74b6aa42cb60748d
name: 53E7CAD033FD0D2E74B6AA42CB60748D.mlw
sha1: 35415de2d28d62ff505b23b8a03974d20afc9b09
sha256: 8aa21ba34ddedea6d9566088b600bbd7cc156226ee1fd756f8d6b4bddd30d719
sha512: 5004bfd1d47e983d29e86cfacebfb3ce445016db2b50bf5583596a1bff5e0befecd79a9a8b68e95dda1f1626f7da8ef3990cac3dd2edd47707f8fa23473cb185
ssdeep: 3072:1124xTxtqly+LQ00JGELAgXdgBa6G39VkENoDr4SB+lsoWz7PKBU:htqlyj4gAa609WEIUq+lTWzwU
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2013
Assembly Version: 1.0.0.0
InternalName: mslock.exe
FileVersion: 1.0.0.0
ProductName: Survey Locker
ProductVersion: 1.0.0.0
FileDescription: Name3
OriginalFilename: mslock.exe

Ransom:MSIL/Genasom also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 004dcb321 )
DrWebTrojan.KillProc.31027
CynetMalicious (score: 85)
ALYacGen:Variant.Razy.294955
CylanceUnsafe
ZillyaTrojan.LockScreen.Win32.4330
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:MSIL/Genasom.aa658fdf
K7GWTrojan ( 004dcb321 )
Cybereasonmalicious.033fd0
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/LockScreen.IN
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Razy.294955
NANO-AntivirusTrojan.Win32.LockScreen.hzrfmo
MicroWorld-eScanGen:Variant.Razy.294955
Ad-AwareGen:Variant.Razy.294955
SophosMal/Generic-S
ComodoMalware@#4bxvtm0691j9
BitDefenderThetaGen:NN.ZemsilF.34608.km0@amHuoIn
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionArtemis!Trojan
FireEyeGeneric.mg.53e7cad033fd0d2e
EmsisoftGen:Variant.Razy.294955 (B)
SentinelOneStatic AI – Malicious PE
AviraHEUR/AGEN.1125041
eGambitUnsafe.AI_Score_100%
MicrosoftRansom:MSIL/Genasom
ArcabitTrojan.Razy.D4802B
AegisLabTrojan.Win32.Generic.4!c
GDataGen:Variant.Razy.294955
McAfeeArtemis!53E7CAD033FD
MAXmalware (ai score=81)
VBA32TScope.Trojan.MSIL
IkarusTrojan.MSIL.LockScreen
FortinetMSIL/LockScreen.JO!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HwMAvHsA

How to remove Ransom:MSIL/Genasom virus?

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:MSIL/Genasom 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:MSIL/Genasom 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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