Written by Robert Bailey

What is CryptTool.Agent infection?

In this short article you will certainly discover concerning the definition of CryptTool.Agent and its adverse impact on your computer. Such ransomware are a form of malware that is clarified by on-line frauds to demand paying the ransom money by a target.

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In the majority of the instances, CryptTool.Agent infection will instruct its victims to initiate funds transfer for the purpose of reducing the effects of the amendments that the Trojan infection has presented to the victim’s tool.

CryptTool.Agent Summary

These adjustments can be as complies with:

  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Installs itself for autorun at Windows startup;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file;
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics;
  • Ciphering the papers found on the target’s hard disk drive — so the target can no longer utilize the data;
  • Preventing normal access to the victim’s workstation;

Related domains: Trojan-Ransom.Win32.Encoder.htl Trojan-Ransom.Win32.Encoder.htl


One of the most common channels through which CryptTool.Agent Ransomware are infused are:

  • By methods of phishing e-mails;
  • As an effect of individual winding up on a resource that organizes a malicious software application;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or avoid the gadget from operating in a proper manner – while additionally putting a ransom note that discusses the demand for the victims to impact the settlement for the function of decrypting the files or recovering the file system back to the preliminary problem. In a lot of instances, the ransom money note will turn up when the customer reboots the COMPUTER after the system has actually already been harmed.

CryptTool.Agent distribution networks.

In numerous corners of the world, CryptTool.Agent grows by leaps and bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom quantity may vary depending upon particular regional (local) setups. The ransom notes as well as techniques of obtaining the ransom money amount may vary depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In certain areas, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s device. The alert then requires the user to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software piracy is much less popular, this technique is not as reliable for the cyber frauds. Additionally, the CryptTool.Agent popup alert might incorrectly assert to be deriving from a police organization and will report having situated kid porn or other prohibited data on the device.

    CryptTool.Agent popup alert might incorrectly declare to be obtaining from a law enforcement institution as well as will report having situated youngster porn or other illegal information on the gadget. The alert will likewise include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 30F2F512
md5: cfd00ed27a81ca43e2fa762aabf07f10
name: 101_output.exe
sha1: aacd49ae67ee77c4401fda2af990864f964b994f
sha256: 1c410b97f8f0244a981bdb028ff93954a7a6495d4e64a16cb5142b9417497d30
sha512: 8b3d913044ac6d0ec2ff4cf235092fb10dc16cd2f837492b08e8bd92c5ca133d024be48db9fe853b1dcb3692e6e26f78f0150502762160703a3a472a084fa7aa
ssdeep: 6144:ZK6g8ITJp0yN90QEvgBDIWB2SXdJ+Eg27lTBkuo4HTd2Sy3WlNufwv1BWD7V4gJ:ZKUy906XB2U+DkWubHT18w6D7tJg6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2018 x5nU5X9N6
Assembly Version:
InternalName: 9qYrXIow7
CompanyName: bgufKEE 9EV2A8
LegalTrademarks: Kltz7yrpH QpGyFUvUt
ProductName: Memory Fixer
FileDescription: mj3Fw7qhk
AssemblyName: 19zSiko9g
AssemblyTitle: wUHPRYNlU
OriginalFilename: cbCSiXeVJ
Translation: 0x0409 0x04b0

CryptTool.Agent also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Tool.Crypter.47
MicroWorld-eScan Application.Crypter.H
McAfee Artemis!CFD00ED27A81
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 004f72f61 )
K7GW Trojan ( 004f72f61 )
Cybereason malicious.e67ee7
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
GData Win32.Trojan.Agent.SDNDUZ
Kaspersky Trojan-Ransom.Win32.Encoder.htl
Alibaba Ransom:Win32/generic.ali2000010
ViRobot Trojan.Win32.Z.Wacatac.509440.D
AegisLab Trojan.Multi.Generic.4!e
Rising PUA.Presenoker!8.F608 (CLOUD)
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.DeathRansom.uumrf
Invincea heuristic
McAfee-GW-Edition RDN/Generic PWS.y
Ikarus Trojan.Inject
Cyren W32/Trojan.TWFY-0703
Avira TR/AD.DeathRansom.uumrf
Endgame malicious (high confidence)
ZoneAlarm Trojan-Ransom.Win32.Encoder.htl
Microsoft Trojan:Win32/Occamy.C
Acronis suspicious
MAX malware (ai score=99)
Malwarebytes CryptTool.Agent
Panda Trj/CI.A
Zoner Trojan.Win32.80900
ESET-NOD32 a variant of Win32/Packed.CAB.AE
Tencent Win32.Trojan.Encoder.Tdzc
Fortinet W32/Encoder.HTL!tr.ransom
AVG Win32:Trojan-gen
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.Ransom.ffb

How to remove CryptTool.Agent 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 CryptTool.Agent 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 CryptTool.Agent 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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