Trojan.Agent.CYCO

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

What is Trojan.Agent.CYCO infection?

In this article you will locate about the interpretation of Trojan.Agent.CYCO and also its unfavorable influence on your computer system. Such ransomware are a type of malware that is specified by on the internet scams to require paying the ransom money by a target.

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Most of the situations, Trojan.Agent.CYCO infection will instruct its sufferers to start funds transfer for the objective of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s tool.

Trojan.Agent.CYCO Summary

These modifications can be as adheres to:

  • 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.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • Attempts to identify installed AV products by installation directory;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk — so the victim can no longer use the information;
  • Preventing normal accessibility 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.
Similar behavior
Related domains
ipv4bot.whatismyipaddress.com Ransom/W32.GandCrypt.303113
ns1.corp-servers.ru Ransom/W32.GandCrypt.303113
zonealarm.bit Ransom/W32.GandCrypt.303113
ns2.corp-servers.ru Ransom/W32.GandCrypt.303113
ransomware.bit Ransom/W32.GandCrypt.303113

Trojan.Agent.CYCO

One of the most typical channels where Trojan.Agent.CYCO Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a source that holds a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or prevent the tool from functioning in an appropriate manner – while also putting a ransom money note that mentions the requirement for the targets to impact the payment for the objective of decrypting the papers or recovering the data system back to the preliminary problem. In a lot of instances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has already been damaged.

Trojan.Agent.CYCO circulation channels.

In various corners of the globe, Trojan.Agent.CYCO expands by leaps as well as bounds. Nonetheless, the ransom notes as well as techniques of extorting the ransom quantity might vary depending on particular neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom quantity might vary depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The alert after that demands the user to pay the ransom.

    Faulty statements regarding unlawful material.

    In countries where software program piracy is less prominent, this method is not as reliable for the cyber fraudulences. Conversely, the Trojan.Agent.CYCO popup alert might incorrectly claim to be deriving from a law enforcement organization as well as will certainly report having situated youngster porn or various other unlawful information on the tool.

    Trojan.Agent.CYCO popup alert might falsely assert to be obtaining from a regulation enforcement institution and will report having situated kid porn or other illegal information on the gadget. The alert will in a similar way include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 0CB9D673
md5: 2515c12b08e580cd354928390ad8d39c
name: 2515C12B08E580CD354928390AD8D39C.mlw
sha1: a99048b9d2f33311df3705332110678bd7551ab6
sha256: 4e9fcad3c5492acf42e9259e6dbd949b9a50a4c06dbac4a20dcf9e7056747909
sha512: 8174df0852bb360cddd9ca50d78bcaa54fcdd9ec21dee4985e7f3f035d8b0aef54cfc47ac01d4938b1435fc6836b274589b405cfbdfb50ad5a18ec431e38d8ad
ssdeep: 6144:dbwcKGw4GcLzRr0G3+jC6AdRkgiWIE8LxkH/:Fwc4MnRwGOW6Gkq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.CYCO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
MicroWorld-eScan Trojan.Agent.CYCO
FireEye Generic.mg.2515c12b08e580cd
CAT-QuickHeal Trojan.Chapak.ZZ6
McAfee GenericRXFE-EQ!2515C12B08E5
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.GandCrypt.j!c
Sangfor Win.Packed.Gandcrab-6552923-4
K7AntiVirus Trojan ( 003e58dd1 )
BitDefender Trojan.Agent.CYCO
K7GW Trojan ( 003e58dd1 )
Cybereason malicious.b08e58
BitDefenderTheta Gen:NN.ZexaF.34590.suX@aC3uBMj
Cyren W32/S-b2026db7!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.NeutrinoPOS.fanckt
ViRobot Trojan.Win32.GandCrab.Gen.A
Tencent Malware.Win32.Gencirc.10b49355
Ad-Aware Trojan.Agent.CYCO
TACHYON Ransom/W32.GandCrypt.303113
Emsisoft Trojan.Agent.CYCO (B)
Comodo TrojWare.Win32.Chapak.GF@7mc1zz
F-Secure Trojan.TR/AD.GandCrab.ciszu
Zillya Backdoor.Mokes.Win32.1190
TrendMicro Ransom_GANDCRAB.SMJS2
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Sophos ML/PE-A + Mal/Agent-AUL
Ikarus Trojan.Crypt
Jiangmin Trojan.Chapak.gt
MaxSecure Trojan.Malware.300983.susgen
Avira TR/AD.GandCrab.ciszu
Antiy-AVL Trojan[Banker]/Win32.NeutrinoPOS
Microsoft Ransom:Win32/GrandCrab.A
Arcabit Trojan.Agent.CYCO
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.Agent.CYCO
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
VBA32 BScope.Trojan.Chapak
ALYac Trojan.Agent.CYCO
MAX malware (ai score=100)
Malwarebytes Trojan.MalPack.GS
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GFXY
TrendMicro-HouseCall Ransom_GANDCRAB.SMJS2
Rising Malware.Strealer!8.1EF (RDMK:cmRtazpGDp57IVmbdh36PzgShWa4)
Yandex Trojan.GandCrypt!nV/PCuPi1h4
SentinelOne Static AI – Malicious PE
Fortinet W32/Agent.BFJ!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.4ff

How to remove Trojan.Agent.CYCO ransomware?

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 Trojan.Agent.CYCO 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:

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If the guide doesn’t help you to remove Trojan.Agent.CYCO 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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