Win32:Crypt-SMB [Trj]

What is Win32:Crypt-SMB [Trj] infection?

In this post you will certainly locate about the meaning of Win32:Crypt-SMB [Trj] as well as its negative influence on your computer. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a target.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

Most of the situations, Win32:Crypt-SMB [Trj] virus will certainly advise its victims to start funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has presented to the victim’s gadget.

Win32:Crypt-SMB [Trj] Summary

These adjustments can be as complies with:

  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • 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.
  • Creates a copy of itself;
  • Exhibits behavior characteristic of Troldesh ransomware;
  • Ciphering the files situated on the sufferer’s disk drive — so the sufferer can no more use the information;
  • Preventing regular 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.

Win32:Crypt-SMB [Trj]

The most normal networks where Win32:Crypt-SMB [Trj] Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a source that hosts a destructive software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or prevent the tool from operating in a proper manner – while also positioning a ransom money note that points out the demand for the sufferers to impact the repayment for the function of decrypting the records or recovering the documents system back to the preliminary problem. In most circumstances, the ransom note will show up when the customer restarts the PC after the system has actually already been harmed.

Win32:Crypt-SMB [Trj] circulation networks.

In different edges of the world, Win32:Crypt-SMB [Trj] grows by jumps as well as bounds. Nevertheless, the ransom notes and methods of obtaining the ransom amount may vary relying on certain regional (regional) setups. The ransom notes as well as methods of obtaining the ransom money quantity might differ depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In certain areas, the Trojans often wrongfully report having identified some unlicensed applications enabled on the target’s device. The sharp after that demands the user to pay the ransom.

    Faulty statements regarding unlawful content.

    In countries where software application piracy is much less preferred, this method is not as effective for the cyber frauds. Alternatively, the Win32:Crypt-SMB [Trj] popup alert might incorrectly assert to be originating from a law enforcement institution and will certainly report having situated youngster porn or other prohibited information on the device.

    Win32:Crypt-SMB [Trj] popup alert may falsely assert to be obtaining from a law enforcement institution as well as will report having located youngster pornography or various other prohibited data on the tool. The alert will in a similar way have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: EFE8F0C1
md5: 79b63a7a524ec8b593c6715483a26948
name: 79B63A7A524EC8B593C6715483A26948.mlw
sha1: 9c2a1856dbd2534ffc4a51f08428f215a1bd89fe
sha256: 14e4ec3be3426ff73c023c86bce81677ed648a187919b31d42dfae1e0085da11
sha512: f9dfa0e0da467572bf4a362cd40b61d0010b000bdd324e2e4ca6937ed9961e0b303a9a59b4a03b39ab79cd28495cddb63112a007cef7a43903835a795304577a
ssdeep: 24576:Db9yCRm3MrqrMIbaTvHiGl03C6ns3M0xVDOf4yKN:fgz3qTiGqC6nUMIJOf41N
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:Crypt-SMB [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3ef1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.858
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Shade
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.2579
Sangfor Ransom.Win32.Troldesh.A
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/Fsysna.210195f5
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.a524ec
Symantec Infostealer.Limitail
ESET-NOD32 Win32/Filecoder.Shade.B
APEX Malicious
Avast Win32:Crypt-SMB [Trj]
Kaspersky Trojan.Win32.Fsysna.dfbo
BitDefender Gen:Variant.Graftor.287760
NANO-Antivirus Trojan.Win32.Encoder.ecqndv
ViRobot Trojan.Win32.Shade.994304
MicroWorld-eScan Gen:Variant.Graftor.287760
Tencent Win32.Trojan.Fsysna.Akfm
Ad-Aware Gen:Variant.Graftor.287760
Sophos Mal/Generic-R + Troj/Ransom-DDQ
Comodo Malware@#1o1142di7cfvv
BitDefenderTheta Gen:NN.ZexaF.34628.8qW@a4jM@zmi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPSHED.TA
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Emsisoft Gen:Variant.Graftor.287760 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Fsysna.dhe
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1127210
eGambit Generic.Malware
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Troldesh.A
Arcabit Trojan.Graftor.D46410
AegisLab Trojan.Win32.Fsysna.4!c
GData Gen:Variant.Graftor.287760
AhnLab-V3 Trojan/Win32.Fsysna.C1456300
Acronis suspicious
McAfee GenericR-KED!79B63A7A524E
MAX malware (ai score=100)
VBA32 BScope.TrojanPSW.Agent
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPSHED.TA
Rising Ransom.Troldesh!8.5D1 (CLOUD)
Yandex Trojan.Fsysna!MY79iatYN0Q
Ikarus Trojan.Win32.Crypt
Fortinet W32/Filecoder.ED!tr
AVG Win32:Crypt-SMB [Trj]
Qihoo-360 Win32/Ransom.Shade.HwoCEpsA

How to remove Win32:Crypt-SMB [Trj] 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 Win32:Crypt-SMB [Trj] 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 Win32:Crypt-SMB [Trj] you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

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

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.