Trojan-Spy.Agent (A)
Rachel Ross
Updated on March 01, 2026
What is Trojan-Spy.Agent (A) infection?
In this short article you will discover concerning the definition of Trojan-Spy.Agent (A) and also its unfavorable impact on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom by a target.
Most of the instances, Trojan-Spy.Agent (A) virus will instruct its sufferers to start funds move for the function of reducing the effects of the modifications that the Trojan infection has introduced to the target’s gadget.
Trojan-Spy.Agent (A) 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.
- Unconventionial language used in binary resources: Spanish;
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Steals private information from local Internet browsers;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- 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 papers situated on the target’s hard disk — so the sufferer can no longer use the data;
- Preventing normal 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.
| z.whorecord.xyz | BehavesLike.Win32.Vundo.gc |
| a.tomx.xyz | BehavesLike.Win32.Vundo.gc |
| biscayneinn.com | BehavesLike.Win32.Vundo.gc |
Trojan-Spy.Agent (A)
The most common channels through which Trojan-Spy.Agent (A) Trojans are injected are:
- By means of phishing emails;
- As a repercussion of customer ending up on a source that holds a destructive software;
As soon as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or prevent the gadget from operating in a proper way – while likewise positioning a ransom money note that discusses the requirement for the victims to impact the settlement for the purpose of decrypting the files or recovering the documents system back to the initial problem. In the majority of circumstances, the ransom note will show up when the client restarts the COMPUTER after the system has currently been damaged.
Trojan-Spy.Agent (A) distribution channels.
In various edges of the world, Trojan-Spy.Agent (A) expands by leaps as well as bounds. However, the ransom notes and tricks of extorting the ransom amount may differ relying on specific neighborhood (regional) setups. The ransom notes and techniques of obtaining the ransom quantity may differ depending on specific local (local) settings.
For example:
Faulty alerts concerning unlicensed software program.
In particular areas, the Trojans usually wrongfully report having found some unlicensed applications enabled on the victim’s gadget. The sharp then demands the customer to pay the ransom money.
Faulty declarations about unlawful content.
In countries where software application piracy is much less preferred, this technique is not as reliable for the cyber scams. Alternatively, the Trojan-Spy.Agent (A) popup alert may wrongly assert to be stemming from a police institution and will report having located youngster porn or other prohibited information on the device.
Trojan-Spy.Agent (A) popup alert may incorrectly declare to be deriving from a legislation enforcement establishment and will certainly report having situated child pornography or other unlawful information on the gadget. The alert will likewise consist of a demand for the individual to pay the ransom money.
Technical details
File Info:
crc32: A2BA31A4md5: 244d75f70e962e5c4ec3efb1d845748bname: msofficeupdater.exesha1: bdfefdff7b755a89d60de22309da72b82df70ecbsha256: 7dddeb51f2dea719a6c6e70bf30db96e3333713d998b4f8acb31ee5cecfbb912sha512: 53e2ad9f90d779d096dffd06a13e52068134c02a885cdfd3f526f87e404fce93089710180fba559b64c1e7a63aa15f5c27d8de305e9da1688481effecab529d8ssdeep: 12288:t3pZVf5QgrzPxW0T+10v7vG8R3hTdiIg:VpZVRQg/5VT++vzxR3Xitype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Trojan-Spy.Agent (A) also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetectVM.malware |
| DrWeb | Trojan.Siggen9.20578 |
| MicroWorld-eScan | Trojan.GenericKD.33540391 |
| FireEye | Generic.mg.244d75f70e962e5c |
| Qihoo-360 | Win32/Trojan.c5c |
| McAfee | Artemis!244D75F70E96 |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| AegisLab | Trojan.Multi.Generic.4!c |
| Sangfor | Malware |
| K7AntiVirus | Trojan ( 005626191 ) |
| BitDefender | Trojan.GenericKD.33540391 |
| K7GW | Trojan ( 005626191 ) |
| Cybereason | malicious.f7b755 |
| Invincea | heuristic |
| BitDefenderTheta | Gen:NN.ZexaF.34100.DuW@aKlFaXhG |
| Symantec | Ransom.Nemty |
| APEX | Malicious |
| Paloalto | generic.ml |
| GData | Trojan.GenericKD.33540391 |
| Kaspersky | Trojan.Win32.Chapak.ejuy |
| Alibaba | Trojan:Win32/Chapak.b1d97e75 |
| Avast | Win32:Trojan-gen |
| Rising | Trojan.Kryptik!8.8 (CLOUD) |
| Ad-Aware | Trojan.GenericKD.33540391 |
| Emsisoft | Trojan-Spy.Agent (A) |
| F-Secure | |
| TrendMicro | TROJ_GEN.R002C0DCG20 |
| McAfee-GW-Edition | BehavesLike.Win32.Vundo.gc |
| Trapmine | malicious.moderate.ml.score |
| Sophos | Mal/RyPack-A |
| Ikarus | Trojan.Win32.Crypt |
| Cyren | W32/Trojan.VHJJ-2385 |
| Webroot | W32.Trojan.Gen |
| Avira | TR/AD.VidarStealer.avuvn |
| MAX | malware (ai score=100) |
| Antiy-AVL | Trojan/Win32.Chapak |
| Endgame | malicious (high confidence) |
| Arcabit | Trojan.Generic.D1FFC927 |
| SUPERAntiSpyware | |
| ZoneAlarm | Trojan.Win32.Chapak.ejuy |
| Microsoft | Trojan:Win32/ICLoader.PVD!MTB |
| AhnLab-V3 | Trojan/Win32.MalPe.R328586 |
| Acronis | suspicious |
| VBA32 | BScope.Trojan.AET.281105 |
| ALYac | Trojan.Agent.Wacatac |
| Malwarebytes | Trojan.MalPack.GS |
| ESET-NOD32 | a variant of Win32/Kryptik.HBXC |
| TrendMicro-HouseCall | TROJ_GEN.R002C0DCG20 |
| Tencent | Win32.Trojan.Generic.Hoyn |
| SentinelOne | DFI – Malicious PE |
| eGambit | Unsafe.AI_Score_57% |
| Fortinet | W32/Chapak.A!tr |
| AVG | Win32:Trojan-gen |
| Panda | Trj/GdSda.A |
| CrowdStrike | win/malicious_confidence_90% (W) |
How to remove Trojan-Spy.Agent (A) virus?
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:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Trojan-Spy.Agent (A) 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Trojan-Spy.Agent (A) you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
