What is MSIL/PSW.CoinStealer.AA infection?

In this post you will find regarding the meaning of MSIL/PSW.CoinStealer.AA and its adverse influence on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom money by a victim.

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Most of the cases, MSIL/PSW.CoinStealer.AA ransomware will instruct its victims to start funds move for the function of counteracting the amendments that the Trojan infection has actually introduced to the victim’s device.

MSIL/PSW.CoinStealer.AA Summary

These modifications 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard disk — so the victim can no more utilize the data;
  • Preventing regular access to the victim’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 common networks whereby MSIL/PSW.CoinStealer.AA Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a source that organizes a destructive software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the target’s computer or avoid the gadget from functioning in a proper fashion – while likewise positioning a ransom money note that discusses the demand for the sufferers to effect the repayment for the objective of decrypting the documents or bring back the data system back to the first condition. In a lot of instances, the ransom note will show up when the client restarts the COMPUTER after the system has currently been damaged.

MSIL/PSW.CoinStealer.AA circulation channels.

In numerous edges of the world, MSIL/PSW.CoinStealer.AA expands by leaps and also bounds. However, the ransom notes and tricks of obtaining the ransom money amount may vary relying on certain regional (local) setups. The ransom money notes as well as techniques of extorting the ransom money amount might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having actually spotted some unlicensed applications allowed on the victim’s tool. The alert after that demands the customer to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software program piracy is less prominent, this method is not as reliable for the cyber frauds. Additionally, the MSIL/PSW.CoinStealer.AA popup alert might wrongly claim to be originating from a police institution as well as will report having situated kid pornography or other prohibited information on the gadget.

    MSIL/PSW.CoinStealer.AA popup alert might falsely claim to be acquiring from a law enforcement institution and will report having located child porn or various other prohibited data on the gadget. The alert will similarly contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 5179DD13
md5: c8d0ad5879bb5d94c2edb6da077eb12b
name: C8D0AD5879BB5D94C2EDB6DA077EB12B.mlw
sha1: 5b446448ee92298efce46acadc423fd77684f9c3
sha256: a2958c06195788af99e93f22c62d0ef11f11f8248fa4c4ae4b8e3051108dd1d3
sha512: 055e353613c44289426f0c062463662af3bb85e2f8286dfe1c8ff79c8b825c86808e5dd27c59bf88bc6059aea11acfc31e65ed0033b78835d85b581b91b05e1f
ssdeep: 6144:BMgYS0arrQFMTTDTL+ght9G9/YzfdRAK+UduZRqRG2paPv25Mn7KmsBQ7gQ8:BirATVhXG9qdV+TaCv25Mn7KjU
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

MSIL/PSW.CoinStealer.AA also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Generic.MSIL.Ransomware.Jigsaw.97AB8B37
McAfee GenericRXAA-AA!C8D0AD5879BB
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
BitDefender Generic.MSIL.Ransomware.Jigsaw.97AB8B37
K7GW Trojan ( 700000121 )
CrowdStrike win/malicious_confidence_90% (D)
APEX Malicious
Avast Win32:PWSX-gen [Trj]
ClamAV Win.Trojan.SatoshiBypass-6853426-0
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Drop.edvzba
Rising Ransom.JigsawLocker!8.52DD (C64:YzY0Osh0VGhleOze)
Ad-Aware Generic.MSIL.Ransomware.Jigsaw.97AB8B37
Emsisoft Generic.MSIL.Ransomware.Jigsaw.97AB8B37 (B)
F-Secure Heuristic.HEUR/AGEN.1132047
DrWeb Trojan.MulDrop6.38561
TrendMicro Ransom.MSIL.JIGSAW.SMB
Sophos ML/PE-A + Troj/Jigsaw-K
Ikarus Trojan.MSIL.PSW
Avira HEUR/AGEN.1132047
Microsoft TrojanSpy:MSIL/CoinStealer.C!bit
Arcabit Generic.MSIL.Ransomware.Jigsaw.97AB8B37
AhnLab-V3 Trojan/Win32.RL_Jigsaw.C4306635
GData MSIL.Trojan.ClipBanker.C
Cynet Malicious (score: 85)
ESET-NOD32 a variant of MSIL/PSW.CoinStealer.AA
BitDefenderTheta Gen:NN.ZemsilF.34608.AmW@a0ZfZt
ALYac Generic.MSIL.Ransomware.Jigsaw.97AB8B37
MAX malware (ai score=83)
VBA32 Trojan.MSIL.gen.11
Malwarebytes Spyware.BTCStealer
TrendMicro-HouseCall Ransom.MSIL.JIGSAW.SMB
Tencent Malware.Win32.Gencirc.10c9c2b5
Yandex Trojan.Agent!/6iV9/Zp3HE
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_100%
Fortinet MSIL/Jigsaw.K!tr
AVG Win32:PWSX-gen [Trj]
Cybereason malicious.879bb5

How to remove MSIL/PSW.CoinStealer.AA 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 MSIL/PSW.CoinStealer.AA 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 MSIL/PSW.CoinStealer.AA you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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