Trojan.Agent.EXUK

Written by Robert Bailey

What is Trojan.Agent.EXUK infection?

In this article you will certainly discover about the definition of Trojan.Agent.EXUK and its adverse influence on your computer. Such ransomware are a type of malware that is specified by on-line scams to demand paying the ransom by a sufferer.

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In the majority of the instances, Trojan.Agent.EXUK ransomware will advise its sufferers to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s device.

Trojan.Agent.EXUK 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Expresses interest in specific running processes;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • 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 files located on the sufferer’s disk drive — so the sufferer can no longer utilize the data;
  • Preventing regular 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.
Similar behavior
Related domains
z.whorecord.xyz TrojanRansom.Blocker.c
a.tomx.xyz TrojanRansom.Blocker.c

Trojan.Agent.EXUK

One of the most typical channels through which Trojan.Agent.EXUK Trojans are injected 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 a consequence of user ending up on a resource that hosts a destructive software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s PC or protect against the device from working in an appropriate way – while additionally placing a ransom note that discusses the demand for the targets to impact the settlement for the function of decrypting the papers or restoring the data system back to the initial condition. In many circumstances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has already been damaged.

Trojan.Agent.EXUK distribution networks.

In various edges of the globe, Trojan.Agent.EXUK expands by jumps as well as bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity might differ relying on specific regional (local) settings. The ransom money notes as well as tricks of obtaining the ransom money quantity might vary depending on specific local (regional) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In particular locations, the Trojans frequently wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s tool. The alert after that demands the individual to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software piracy is much less preferred, this method is not as reliable for the cyber scams. Alternatively, the Trojan.Agent.EXUK popup alert might falsely claim to be stemming from a police establishment as well as will report having located kid pornography or various other prohibited information on the gadget.

    Trojan.Agent.EXUK popup alert may incorrectly declare to be deriving from a law enforcement establishment and also will report having located youngster pornography or various other unlawful data on the tool. The alert will in a similar way contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: A3BE582B
md5: 668aa92e65133ae444a91f3246a8b25f
name: upload_file
sha1: ef196259a3c3c563103e09c65e4ab8bb7c6a1e3c
sha256: 482027d0e151826c175ff084f6e76ce4ca3a920ca648fc2d5906ed0a793fe8ad
sha512: c8d35a7ac7e0ebbd9a0b2486e473b7001173ef7f21e449eb25b9591924d9f6dbdabd138016afca0192ad832e04d1e52bd82126cac3ed77ed9f1df44edf705393
ssdeep: 98304:28/hG9kwe83tbvCKXUU77P18UbH7RxiR1bWuxweWK:28/hOtDCKXj9fbbRcPbH6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileV: 1.0.2.27
Translations: 0x0218 0x0167

Trojan.Agent.EXUK also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.EXUK
Malwarebytes Trojan.MalPack.GS
AegisLab Trojan.Win32.Malicious.4!c
Sangfor Malware
BitDefender Trojan.Agent.EXUK
Cybereason malicious.9a3c3c
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Spy.Win32.Windigo.gen
Ad-Aware Trojan.GenericKD.34803279
Emsisoft Trojan.GenericKD.34803279 (B)
F-Secure Trojan.TR/AD.GoCloudnet.bcd
DrWeb Trojan.Siggen10.38725
Invincea Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Generic.wc
FireEye Generic.mg.668aa92e65133ae4
Sophos Mal/Generic-S
SentinelOne DFI – Malicious PE
Jiangmin TrojanRansom.Blocker.c
Webroot W32.Trojan.Gen
Avira TR/AD.GoCloudnet.bcd
MAX malware (ai score=82)
Microsoft Trojan:Win32/Woreflint.A!cl
ZoneAlarm HEUR:Trojan-Spy.Win32.Windigo.gen
GData Win32.Trojan-Downloader.Glupteba.M0TGC3
Cynet Malicious (score: 100)
McAfee GenericRXAA-AA!668AA92E6513
ESET-NOD32 a variant of Win32/GenKryptik.EUMA
Rising Trojan.Kryptik!1.CBE0 (CLASSIC)
Ikarus Trojan.Win32.Ranumbot
Fortinet W32/Malicious_Behavior.VEX
BitDefenderTheta Gen:NN.ZexaF.34570.VtW@auLRTpy
AVG FileRepMalware
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Generic/HEUR/QVM10.2.A457.Malware.Gen

How to remove Trojan.Agent.EXUK 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

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.

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.EXUK 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.EXUK 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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