Win32/Spammer.Agent.AS

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

What is Win32/Spammer.Agent.AS infection?

In this short article you will locate concerning the definition of Win32/Spammer.Agent.AS and also its negative influence on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a victim.

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Most of the instances, Win32/Spammer.Agent.AS ransomware will advise its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the target’s device.

Win32/Spammer.Agent.AS Summary

These alterations can be as adheres to:

  • Starts servers listening on 127.0.0.1:9050;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Ciphering the records located on the victim’s disk drive — so the sufferer can no longer utilize the information;
  • Preventing routine access to the sufferer’s workstation;

Win32/Spammer.Agent.AS

One of the most common channels through which Win32/Spammer.Agent.AS are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a source that holds a harmful software application;

As soon as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or prevent the device from functioning in a proper fashion – while also positioning a ransom money note that states the need for the targets to impact the repayment for the objective of decrypting the papers or restoring the documents system back to the first condition. In many instances, the ransom note will certainly come up when the client reboots the PC after the system has actually already been damaged.

Win32/Spammer.Agent.AS circulation channels.

In different edges of the globe, Win32/Spammer.Agent.AS grows by jumps and also bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom money quantity might vary relying on particular neighborhood (regional) setups. The ransom notes as well as methods of obtaining the ransom money quantity might differ depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In particular locations, the Trojans often wrongfully report having found some unlicensed applications enabled on the victim’s tool. The alert then requires the user to pay the ransom money.

    Faulty statements concerning illegal web content.

    In nations where software program piracy is much less popular, this approach is not as efficient for the cyber frauds. Additionally, the Win32/Spammer.Agent.AS popup alert may incorrectly claim to be originating from a law enforcement establishment and will report having situated youngster porn or various other unlawful information on the tool.

    Win32/Spammer.Agent.AS popup alert might wrongly claim to be obtaining from a law enforcement institution and also will certainly report having located kid pornography or other unlawful data on the tool. The alert will likewise consist of a need for the user to pay the ransom.

Technical details

File Info:

crc32: 1A1FDDBE
md5: 728eab65b7638e38d9083e6df952e641
name: 728EAB65B7638E38D9083E6DF952E641.mlw
sha1: bf9c16c5cc974f09c02c4056bae01e433c14fe66
sha256: 7d8d841f0296be0243ac5b1cb7d3d96db38e5cda18cd24b9fb03d2dd622a53d1
sha512: e358ed73c702292bcef6e1b5ab59b97fe1904ec1f9f1c214695490d7ee7d36586cf3e27db2ac26aea1fb9a9c7d467dc37bfa5377297336e9f4dd9ec68709746a
ssdeep: 12288:3lzXuWF56cXNb7z2lWzgbCgZRHc2UKCw8MJO0InpoS:wGXNGlW+CgZFpCw8B
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Spammer.Agent.AS also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusRiskware ( 0040eff71 )
DrWebDLOADER.Trojan
CynetMalicious (score: 100)
ALYacGen:Heur.Mint.SP.Sneaky.1
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.38444
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
AlibabaTrojan:Win32/Starter.ali2000005
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.5b7638
ESET-NOD32a variant of Win32/Spammer.Agent.AS
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.kdwv
BitDefenderGen:Heur.Mint.SP.Sneaky.1
NANO-AntivirusTrojan.Win32.Blocker.eqqicc
MicroWorld-eScanGen:Heur.Mint.SP.Sneaky.1
TencentWin32.Trojan.Blocker.Agli
Ad-AwareGen:Heur.Mint.SP.Sneaky.1
SophosMal/Generic-S
ComodoMalware@#3r3ljtxpbqya8
BitDefenderThetaGen:NN.ZexaF.34608.KmGfaqXk41p
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.hc
FireEyeGeneric.mg.728eab65b7638e38
EmsisoftGen:Heur.Mint.SP.Sneaky.1 (B)
AviraTR/Crypt.ULPM.Gen
MicrosoftTrojan:Win32/Ymacco.AA7D
AegisLabTrojan.Win32.Generic.4!c
GDataGen:Heur.Mint.SP.Sneaky.1
AhnLab-V3Trojan/Win32.Blocker.C2306937
Acronissuspicious
McAfeeArtemis!728EAB65B763
MAXmalware (ai score=82)
VBA32TrojanRansom.Blocker
MalwarebytesMalware.Heuristic.1003
PandaTrj/GdSda.A
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.GenAsa!PBExPLANFK0
IkarusTrojan.Crypt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Blocker.KDWV!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Blocker.HxIBp0cA

How to remove Win32/Spammer.Agent.AS 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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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 Win32/Spammer.Agent.AS 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 Win32/Spammer.Agent.AS 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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