MSIL/PSW.CoinStealer.W

Written by Robert Bailey

What is MSIL/PSW.CoinStealer.W infection?

In this article you will discover concerning the meaning of MSIL/PSW.CoinStealer.W and its adverse effect on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom money by a target.

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It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the situations, MSIL/PSW.CoinStealer.W virus will instruct its victims to launch funds transfer for the function of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s gadget.

MSIL/PSW.CoinStealer.W Summary

These adjustments can be as complies with:

  • 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.
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the victim’s hard disk — so the victim can no more utilize the information;
  • Preventing normal 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.

MSIL/PSW.CoinStealer.W

One of the most regular networks where MSIL/PSW.CoinStealer.W Ransomware Trojans are infused 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 ending up on a source that organizes a harmful software application;

As quickly as the Trojan is successfully injected, it will either cipher the data on the target’s computer or prevent the device from working in a correct manner – while likewise positioning a ransom money note that points out the requirement for the sufferers to effect the repayment for the objective of decrypting the papers or restoring the documents system back to the initial condition. In most circumstances, the ransom money note will certainly show up when the customer reboots the PC after the system has actually already been harmed.

MSIL/PSW.CoinStealer.W distribution channels.

In numerous corners of the world, MSIL/PSW.CoinStealer.W expands by jumps and also bounds. However, the ransom notes and methods of obtaining the ransom quantity might vary relying on particular local (local) settings. The ransom money notes and techniques of extorting the ransom amount might vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty statements concerning illegal web content.

    In nations where software application piracy is less prominent, this approach is not as effective for the cyber fraudulences. Conversely, the MSIL/PSW.CoinStealer.W popup alert might falsely assert to be originating from a police institution and will certainly report having located youngster porn or various other illegal information on the gadget.

    MSIL/PSW.CoinStealer.W popup alert might incorrectly claim to be obtaining from a law enforcement institution and will certainly report having located child pornography or other unlawful information on the gadget. The alert will similarly contain a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 05DBD651
md5: 1416dc152b1b1b81f687484ba9377a2b
name: 1416DC152B1B1B81F687484BA9377A2B.mlw
sha1: 596c96acd7a18f5e2adb6041d490149d1cb6eeaa
sha256: 2b774e8b4f72f01d00a91d982125239ca9ce857059bc58f5af6ee5b0214d5802
sha512: f4a1cbac4e60abc9f0259deef048f96524048799e2a1762be1c988c49da57b6a9949d29fcc9fa340fbabaa6ff778314b8937960e882b54e5d67372ee5347e42a
ssdeep: 192:dVo2ZtCpvsKiW2aaYnZhNdgp26X5FyduncYqoZKAKCZocK7W:6IInZNgp26JFyEncUKhKoJ7
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright 1999-2012 Firefox and Mozzilla developers. All rights reserved.
Assembly Version: 37.0.2.5583
InternalName: emv.exe
FileVersion: 37.0.2.5583
CompanyName:
LegalTrademarks:
Comments:
ProductName: Chip Writer
ProductVersion: 37.0.2.5583
FileDescription: Chip Writer
OriginalFilename: emv.exe

MSIL/PSW.CoinStealer.W also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053fc801 )
DrWeb Trojan.MulDrop6.34214
Cynet Malicious (score: 99)
CAT-QuickHeal Trojan.Generic
ALYac Generic.MSIL.Ransomware.Jigsaw.0D45F2FB
Malwarebytes Ransom.Jigsaw
CrowdStrike win/malicious_confidence_80% (W)
K7GW Trojan ( 0053fc801 )
Cybereason malicious.52b1b1
Symantec Ransom.Jigsaw
ESET-NOD32 a variant of MSIL/PSW.CoinStealer.W
APEX Malicious
Avast Win32:PWSX-gen [Trj]
BitDefender Generic.MSIL.Ransomware.Jigsaw.0D45F2FB
NANO-Antivirus Trojan.Win32.Agent.dzvwcv
MicroWorld-eScan Generic.MSIL.Ransomware.Jigsaw.0D45F2FB
Tencent Win32.Trojan.Generic.Duwc
Ad-Aware Generic.MSIL.Ransomware.Jigsaw.0D45F2FB
BitDefenderTheta Gen:NN.ZemsilF.34684.am0@aeRF5qo
VIPRE Trojan.Win32.Generic!BT
TrendMicro TSPY_COINSTEAL.SM2
McAfee-GW-Edition Trojan-FKOW!1416DC152B1B
FireEye Generic.MSIL.Ransomware.Jigsaw.0D45F2FB
Sophos Mal/Generic-R + Mal/CoinSteal-A
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Scar.eji
Avira HEUR/AGEN.1124383
Kingsoft Win32.Troj.Undef.(kcloud)
GData MSIL.Trojan-Ransom.Jigsaw.C
AhnLab-V3 Trojan/Win32.RL_Jigsaw.C3981521
McAfee Trojan-FKOW!1416DC152B1B
MAX malware (ai score=80)
Panda Trj/GdSda.A
TrendMicro-HouseCall TSPY_COINSTEAL.SM2
Rising Trojan.Win32.Generic.19C9A20A (C64:YzY0OgQNuvJ93D3O)
Yandex Trojan.Agent!Ev8mdwpJZtg
Ikarus Win32.Outbreak
eGambit Unsafe.AI_Score_99%
Fortinet MSIL/CoinStealer.W!tr
AVG Win32:PWSX-gen [Trj]

How to remove MSIL/PSW.CoinStealer.W 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 MSIL/PSW.CoinStealer.W 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.W 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/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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