Virus.Agent

What is Virus.Agent infection?

In this article you will certainly locate about the definition of Virus.Agent and its unfavorable effect on your computer system. Such ransomware are a form of malware that is elaborated by on-line frauds to require paying the ransom by a victim.

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In the majority of the instances, Virus.Agent ransomware will advise its sufferers to launch funds transfer for the objective of counteracting the amendments that the Trojan infection has presented to the victim’s gadget.

Virus.Agent Summary

These modifications can be as complies with:

  • 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 with CreateRemoteThread in a remote process;
  • 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.
  • Mimics the system’s user agent string for its own 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.
  • Deletes its original binary from disk;
  • Exhibits behavior characteristic of Cryptowall ransomware;
  • 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
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard disk drive — so the target can no more utilize the information;
  • Preventing normal 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.

Virus.Agent

The most common networks through which Virus.Agent Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of user winding up on a source that hosts a malicious software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s computer or stop the tool from functioning in an appropriate fashion – while additionally putting a ransom money note that points out the requirement for the targets to effect the settlement for the function of decrypting the documents or recovering the documents system back to the first condition. In a lot of instances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has already been harmed.

Virus.Agent distribution channels.

In various edges of the world, Virus.Agent grows by leaps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom amount might differ depending upon certain regional (local) settings. The ransom money notes and also tricks of obtaining the ransom quantity may vary depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In certain areas, the Trojans usually wrongfully report having actually found some unlicensed applications made it possible for on the victim’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software application piracy is much less prominent, this approach is not as effective for the cyber scams. Alternatively, the Virus.Agent popup alert might wrongly assert to be originating from a law enforcement institution and also will report having located youngster porn or other unlawful data on the device.

    Virus.Agent popup alert may wrongly declare to be acquiring from a legislation enforcement organization and also will report having located kid pornography or other illegal information on the gadget. The alert will likewise consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 28FB2ACD
md5: 9e44560bb8938c3560420fe74b77e9a1
name: 9E44560BB8938C3560420FE74B77E9A1.mlw
sha1: c044c973d1c5e324aaf735ed41a6a82f0e9d712a
sha256: dca516d795a783842b633f310d0fa090fdf79e584b8cdef45a48d6fea0537ea7
sha512: a6ceca1b3c6a1bf5004c4f1d5df77c9604c39689d190d13e2c3169fe4884b9a91a6ad030139615e92f3bcb435fd90508177d0ccf1207c185210601fa888a1793
ssdeep: 6144:4PgkVYJtnsQyCzzNYDXIBlm8b+oEdhA8jhIqa:yp8CYBl3b9Ed68Na
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 1999-2013 Cortado AG
InternalName: TPAutoConnect
FileVersion: 8,8,476,2
CompanyName: Cortado AG
ProductName: TPAutoConnect
ProductVersion: 8,8,476,2
FileDescription: ThinPrint AutoConnect printer creation service
OriginalFilename: TPAutoConnSvc.exe
Translation: 0x0409 0x04b0

Virus.Agent also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004d65cd1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader17.64754
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Crowti.G4
ALYac Trojan.GenericKD.2927961
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba TrojanDropper:Win32/dropper.ali1003001
K7GW Trojan ( 004d65cd1 )
Cybereason malicious.bb8938
Baidu Win32.Trojan.Filecoder.j
Cyren W32/Zbot.JC.gen!Eldorado
Symantec Ransom.Cryptodefense
ESET-NOD32 Win32/Filecoder.CryptoWall.F
Zoner Trojan.Win32.37135
APEX Malicious
Avast Win32:Rootkit-gen [Rtk]
ClamAV Win.Ransomware.Upatre-7602608-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.2927961
NANO-Antivirus Trojan.Win32.Dwn.dzhida
ViRobot Trojan.Win32.CryptoWall.367104.A
SUPERAntiSpyware Ransom.CryptoWall/Variant
MicroWorld-eScan Trojan.GenericKD.2927961
Tencent Malware.Win32.Gencirc.114c218e
Ad-Aware Trojan.GenericKD.2927961
Sophos ML/PE-A + Mal/Tinba-T
Comodo TrojWare.Win32.Ransom.Crowti.V@6a51xr
BitDefenderTheta Gen:NN.ZexaF.34628.yq2@aa4Luiai
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMR1
McAfee-GW-Edition BehavesLike.Win32.Dropper.fh
FireEye Generic.mg.9e44560bb8938c35
Emsisoft Trojan.GenericKD.2927961 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Cryptodef.lo
Avira TR/Crypt.ZPACK.224911
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Upatre
AegisLab Trojan.Win32.Yakes.mC8N
GData Trojan.GenericKD.2927961
AhnLab-V3 Win-Trojan/Cerber.Gen
Acronis suspicious
McAfee Vawtrak-FAZ!9E44560BB893
MAX malware (ai score=100)
VBA32 Hoax.Cryptodef
Malwarebytes Virus.Agent
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CERBER.SMR1
Rising Trojan.Spy.Win32.Crowti.gx (CLOUD)
Yandex Trojan.Filecoder!Hpz0UzEnEVw
Ikarus Trojan.Win32.Ponmocup
Fortinet W32/Dridex.DD!tr
AVG Win32:Rootkit-gen [Rtk]
Paloalto generic.ml
Qihoo-360 Win32/Rootkit.Generic.HxQByLUA

How to remove Virus.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 Virus.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 Virus.Agent 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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