Trojan.Agent.CQZN

Written by Robert Bailey

What is Trojan.Agent.CQZN infection?

In this short article you will certainly locate concerning the definition of Trojan.Agent.CQZN and its adverse effect on your computer. Such ransomware are a form of malware that is clarified by on-line frauds to require paying the ransom by a victim.

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Most of the instances, Trojan.Agent.CQZN virus will certainly instruct its victims to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the target’s device.

Trojan.Agent.CQZN Summary

These alterations 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Exhibits behavior characteristic of Nymaim malware;
  • Zeus P2P (Banking Trojan);
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the target’s hard disk drive — so the victim can no longer make use of the information;
  • Preventing regular accessibility to the sufferer’s workstation;

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Trojan.Agent.CQZN

One of the most regular networks whereby Trojan.Agent.CQZN are infused are:

  • By means of phishing e-mails;
  • As an effect of customer winding up on a source that holds a destructive software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s PC or protect against the gadget from functioning in a proper fashion – while likewise positioning a ransom note that discusses the need for the sufferers to effect the settlement for the objective of decrypting the papers or restoring the documents system back to the initial condition. In many instances, the ransom money note will come up when the customer restarts the PC after the system has actually currently been damaged.

Trojan.Agent.CQZN circulation channels.

In numerous edges of the world, Trojan.Agent.CQZN grows by leaps and also bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom quantity might differ relying on specific regional (regional) setups. The ransom money notes and techniques of extorting the ransom quantity might vary depending on particular neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having actually found some unlicensed applications allowed on the target’s gadget. The sharp then requires the user to pay the ransom.

    Faulty declarations concerning illegal content.

    In countries where software piracy is much less prominent, this approach is not as reliable for the cyber scams. Conversely, the Trojan.Agent.CQZN popup alert may incorrectly assert to be originating from a police organization and also will report having situated child pornography or various other prohibited information on the tool.

    Trojan.Agent.CQZN popup alert might falsely claim to be obtaining from a legislation enforcement organization and will certainly report having located child porn or other prohibited data on the gadget. The alert will likewise include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 103AE1F4
md5: 30442b95ccf3701e3870d85fcdafc5b7
name: 30442B95CCF3701E3870D85FCDAFC5B7.mlw
sha1: d06a404d8dd2e656615ee95094fd2f5185647b01
sha256: 186b135dbae5c661ab5f0744b20c1e3cd64e9ee26e2fa76d970110cab7c4ff80
sha512: 20e8806e137a20e545b3efd69de67aa908d3613924e8e25262d0c99163c87037978e4954f4fea19a4b72c07c71dfb3ae3ad3a4118b8dd918fcd042c8992f9a49
ssdeep: 12288:lWt3EsUEMdXXNK3rsJ65AqdK85suWRazNTPEFHcl6oKE4TRye:lWt3Es0orsRqdY8VPEFroKEMEe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.CQZN also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.CQZN
FireEye Generic.mg.30442b95ccf3701e
CAT-QuickHeal Ransom.Cerber.ZZ4
McAfee Trojan-FOIZ!30442B95CCF3
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan ( 0051aaa01 )
BitDefender Trojan.Agent.CQZN
K7GW Trojan ( 0051aaa01 )
CrowdStrike win/malicious_confidence_100% (D)
Cyren W32/S-02235887!Eldorado
Symantec Packed.Generic.493
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Banker.Win32.GozNym.pef
NANO-Antivirus Trojan.Win32.Kryptik.evjrnj
AegisLab Trojan.Multi.Generic.4!c
Rising Trojan.Kryptik!1.AE8F (CLASSIC)
Ad-Aware Trojan.Agent.CQZN
Sophos Mal/Generic-R + Mal/Elenoocka-E
Comodo TrojWare.Win32.Crypt.C@7vajd0
F-Secure Heuristic.HEUR/AGEN.1111254
DrWeb Trojan.Inject2.63739
Zillya Trojan.Kryptik.Win32.1303724
McAfee-GW-Edition BehavesLike.Win32.Generic.jc
Emsisoft Trojan.Agent.CQZN (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.bswom
Avira HEUR/AGEN.1111254
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft TrojanDownloader:Win32/Nymaim.K
Arcabit Trojan.Agent.CQZN
ZoneAlarm HEUR:Trojan-Banker.Win32.GozNym.pef
GData Trojan.Agent.CQZN
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Nymaim.R214335
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34804.MuW@aOVfvCb
ALYac Trojan.Agent.CQZN
MAX malware (ai score=100)
VBA32 Trojan.FakeAV.01657
Malwarebytes Trojan.Nymaim
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/Kryptik.GCCF
Tencent Malware.Win32.Gencirc.10ba6319
Yandex Trojan.GenAsa!/Pfu84epJUk
Ikarus Trojan-Downloader.Win32.Nymaim
eGambit Unsafe.AI_Score_95%
Fortinet W32/Kryptik.GKMB!tr
AVG Win32:Malware-gen
Cybereason malicious.5ccf37
Paloalto generic.ml
Qihoo-360 Win32/Trojan.3fe

How to remove Trojan.Agent.CQZN virus?

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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.

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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.CQZN 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.CQZN 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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