Ransom:MSIL/Oxarcrypt.A

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

What is Ransom:MSIL/Oxarcrypt.A infection?

In this short article you will certainly discover regarding the meaning of Ransom:MSIL/Oxarcrypt.A and its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a sufferer.

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Most of the instances, Ransom:MSIL/Oxarcrypt.A virus will advise its sufferers to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s gadget.

Ransom:MSIL/Oxarcrypt.A Summary

These alterations can be as follows:

  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Ciphering the papers found on the sufferer’s hard disk drive — so the sufferer can no more utilize the information;
  • Preventing routine 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.

Ransom:MSIL/Oxarcrypt.A

One of the most common networks where Ransom:MSIL/Oxarcrypt.A Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a source that hosts a malicious software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or avoid the tool from working in a correct way – while additionally putting a ransom note that mentions the need for the sufferers to impact the repayment for the purpose of decrypting the documents or restoring the file system back to the first problem. In most instances, the ransom note will certainly turn up when the client reboots the PC after the system has already been harmed.

Ransom:MSIL/Oxarcrypt.A distribution channels.

In different corners of the globe, Ransom:MSIL/Oxarcrypt.A grows by leaps as well as bounds. However, the ransom notes and tricks of obtaining the ransom money amount may vary depending on specific neighborhood (local) setups. The ransom money notes and techniques of extorting the ransom money quantity might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about prohibited content.

    In nations where software program piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Additionally, the Ransom:MSIL/Oxarcrypt.A popup alert might falsely assert to be deriving from a law enforcement establishment and will certainly report having located child pornography or other unlawful data on the device.

    Ransom:MSIL/Oxarcrypt.A popup alert may wrongly declare to be acquiring from a legislation enforcement establishment and will report having located kid porn or various other illegal data on the gadget. The alert will in a similar way consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 1CB7DB99
md5: ec95696611bf959107a846c381022195
name: EC95696611BF959107A846C381022195.mlw
sha1: 192f14ced025cb49719932a514b5c3a197833fe0
sha256: 27fc7648c50ca22fd651832d0887515af435bc12f2c94afacfbfad88cb9c0218
sha512: cab55d992893f0691177afc18b61ecc7b5e0c7071f9c280bb2624692ba3280c604e880b05f2537f591c40a7fcb830271298033dc3f6c0111faa4ea8dea6a906d
ssdeep: 12288:BsSyur6l6aKEZf4rrl6aKEZf4rYlJ+ot2f+15e0L9vwBRllaKHZf4Z:BsSTr6lNCrrlNCryWuj9vwHlnCZ
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: OXAR @ Copyright 2017
Assembly Version: 4.0.0.0
InternalName: Data Locker.exe
FileVersion: 4.0.0.0
CompanyName: OXAR
LegalTrademarks: OXAR
Comments: OXAR
ProductName: OXAR
ProductVersion: 4.0.0.0
FileDescription: OXAR
OriginalFilename: Data Locker.exe

Ransom:MSIL/Oxarcrypt.A also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 00511f2a1 )
CynetMalicious (score: 85)
ALYacGen:Heur.Ransom.RTH.1
CylanceUnsafe
SangforTrojan.Win32.Save.a
AlibabaRansom:MSIL/Oxarcrypt.bebe5f08
K7GWTrojan ( 00511f2a1 )
Cybereasonmalicious.611bf9
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/Filecoder.IO
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Gen.eue
BitDefenderGen:Heur.Ransom.RTH.1
NANO-AntivirusTrojan.Win32.FileCoder.eqydcj
SUPERAntiSpywareRansom.FileCoder/Variant
MicroWorld-eScanGen:Heur.Ransom.RTH.1
TencentWin32.Trojan.Gen.Anfp
Ad-AwareGen:Heur.Ransom.RTH.1
SophosMal/Cryptear-A
ComodoMalware@#3jkfucsjl09ad
BitDefenderThetaGen:NN.ZemsilF.34608.Wm0@aefy4Y
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_RAMSIL.SM
McAfee-GW-EditionRansomware-FTD!EC95696611BF
FireEyeGen:Heur.Ransom.RTH.1
EmsisoftGen:Heur.Ransom.RTH.1 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/FileCoder.qdbct
MicrosoftRansom:MSIL/Oxarcrypt.A
ArcabitTrojan.Ransom.RTH.1
AegisLabTrojan.Win32.Generic.4!c
GDataMSIL.Trojan-Ransom.Filecoder.BK
AhnLab-V3Trojan/Win32.Ransom.C2039820
McAfeeRansomware-FTD!EC95696611BF
MAXmalware (ai score=83)
MalwarebytesRansom.Oxar
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_RAMSIL.SM
RisingRansom.Gen!8.DE83 (CLOUD)
YandexTrojan.Filecoder!zobiWTdQmMs
IkarusTrojan-Ransom.FileCrypter
FortinetMSIL/Generic.AP.AD0D40!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Filecoder.HgIASOkA

How to remove Ransom:MSIL/Oxarcrypt.A 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/Oxarcrypt.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

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:MSIL/Oxarcrypt.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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