Worm:Win32/Arhost

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

What is Worm:Win32/Arhost infection?

In this post you will certainly find about the meaning of Worm:Win32/Arhost and also its negative effect on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom money by a sufferer.

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In the majority of the cases, Worm:Win32/Arhost virus will advise its victims to initiate funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s device.

Worm:Win32/Arhost Summary

These alterations 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard drive — so the sufferer can no longer utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Worm:Win32/Arhost

The most common networks through which Worm:Win32/Arhost Ransomware 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 customer winding up on a source that holds a harmful software;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or prevent the gadget from working in a proper manner – while likewise putting a ransom money note that mentions the demand for the sufferers to effect the settlement for the function of decrypting the documents or bring back the file system back to the first problem. In a lot of instances, the ransom note will certainly come up when the client restarts the PC after the system has actually currently been damaged.

Worm:Win32/Arhost distribution networks.

In numerous corners of the globe, Worm:Win32/Arhost expands by jumps as well as bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom amount may vary depending upon certain local (regional) setups. The ransom money notes and techniques of extorting the ransom money amount may vary depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having detected some unlicensed applications allowed on the target’s device. The alert then demands the individual to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software piracy is less prominent, this method is not as reliable for the cyber fraudulences. Additionally, the Worm:Win32/Arhost popup alert might incorrectly assert to be deriving from a law enforcement institution as well as will report having located kid pornography or various other prohibited information on the device.

    Worm:Win32/Arhost popup alert may wrongly declare to be obtaining from a regulation enforcement organization and also will report having situated youngster porn or other prohibited information on the gadget. The alert will similarly include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 6A5493DE
md5: b6f106dab6339ab545f3e94499237c70
name: B6F106DAB6339AB545F3E94499237C70.mlw
sha1: 16cf8658fbf324aa18db5823601a76e4da059b19
sha256: 643f03c2c1e33e659292ff91113cbe872cc24f6f6992fd90e7d13dc1aea48969
sha512: d4016039273bf23cc83d52f7a41c8aa1d777dc0127ed5ee5418e55e344a80d91a0bcc5ba1725d1886901f84b0d5c6a66b37629649abd19facaabc28ebcf7bdca
ssdeep: 1536:/VR7UAyM/Pt+AoBhxzhILCrwA7wI2y2Q67VZYfRmQVq:PUqd+1KmwIZ167VZaRmQVq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: ccc
FileVersion: 1.00
CompanyName: Cush
ProductName: ccc
ProductVersion: 1.00
OriginalFilename: ccc.exe

Worm:Win32/Arhost also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop2.15448
CynetMalicious (score: 100)
ALYacGen:Trojan.Heur.VP2.fm1@aOW5H1fi
CylanceUnsafe
ZillyaTrojan.Sadlamnos.Win32.1
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/Blocker.601d18a5
Cybereasonmalicious.ab6339
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Sadlamnos.H
APEXMalicious
AvastWin32:Downloader-FEC [Trj]
ClamAVWin.Dropper.Cobra-8328644-0
KasperskyTrojan-Ransom.Win32.Blocker.bqiw
BitDefenderGen:Trojan.Heur.VP2.fm1@aOW5H1fi
NANO-AntivirusTrojan.Win32.Vobfus.lbriv
SUPERAntiSpywareTrojan.Agent/Gen-FakeAlert[Cush]
MicroWorld-eScanGen:Trojan.Heur.VP2.fm1@aOW5H1fi
TencentWin32.Trojan.Blocker.Pijp
Ad-AwareGen:Trojan.Heur.VP2.fm1@aOW5H1fi
ComodoMalware@#lv1398962n42
BitDefenderThetaAI:Packer.83AC5FAB20
VIPRETrojan.Win32.Generic.pak!cobra
McAfee-GW-EditionBehavesLike.Win32.Trojan.mc
FireEyeGeneric.mg.b6f106dab6339ab5
EmsisoftGen:Trojan.Heur.VP2.fm1@aOW5H1fi (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Blocker.cvw
Webrootnone
AviraHEUR/AGEN.1115306
eGambitUnsafe.AI_Score_100%
Antiy-AVLTrojan/Generic.ASMalwS.253174
MicrosoftWorm:Win32/Arhost
ArcabitTrojan.Heur.VP2.E18875
GDataGen:Trojan.Heur.VP2.fm1@aOW5H1fi
TACHYONRansom/W32.VB-Blocker.84998
McAfeeW32/Rimecud.gen.ak
MAXmalware (ai score=100)
MalwarebytesMalware.AI.3808381160
PandaTrj/Genetic.gen
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.Sadlamnos!CJeuYA2LGAM
IkarusTrojan-Dropper.Win32.VB
FortinetW32/Rimecud.AK
AVGWin32:Downloader-FEC [Trj]
Paloaltogeneric.ml

How to remove Worm:Win32/Arhost ransomware?

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 Worm:Win32/Arhost 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 Worm:Win32/Arhost 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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