What is VirTool:INF/Autorun!rfn infection?

In this post you will discover about the definition of VirTool:INF/Autorun!rfn and also its adverse impact on your computer. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the situations, VirTool:INF/Autorun!rfn ransomware will certainly instruct its sufferers to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the target’s device.

VirTool:INF/Autorun!rfn Summary

These adjustments can be as adheres to:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard drive — so the target can no more use the information;
  • Preventing routine accessibility 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.


The most common networks where VirTool:INF/Autorun!rfn Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a source that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s computer or protect against the gadget from operating in a proper manner – while likewise positioning a ransom money note that mentions the need for the targets to effect the settlement for the objective of decrypting the documents or recovering the data system back to the first condition. In a lot of circumstances, the ransom money note will certainly come up when the customer reboots the COMPUTER after the system has actually currently been damaged.

VirTool:INF/Autorun!rfn circulation networks.

In various edges of the globe, VirTool:INF/Autorun!rfn grows by leaps and also bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom quantity may vary relying on particular regional (local) settings. The ransom notes as well as methods of obtaining the ransom quantity might differ depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the target’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is much less popular, this method is not as effective for the cyber frauds. Alternatively, the VirTool:INF/Autorun!rfn popup alert may falsely assert to be deriving from a police organization and will report having located child porn or various other unlawful information on the gadget.

    VirTool:INF/Autorun!rfn popup alert might incorrectly claim to be obtaining from a law enforcement establishment and also will certainly report having situated kid porn or various other unlawful data on the gadget. The alert will in a similar way have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: C8F65BD4
md5: 870f7cce710b81ff2f963c9185275a54
name: 870F7CCE710B81FF2F963C9185275A54.mlw
sha1: 534cdb56092294d9da470df10a441a93d8bfd272
sha256: 9382f23e1b4bd3aa6b9da4d945de24e6c639d8fbca2059d2deb3c476e072664b
sha512: 2882f8e3aa863fc032fac8fc9964b8fe8373a31f7d34d228101aa2ff81afc1a1eea46d89f9467e84c547688b2606994a846349f128eb385eee3322fc4034b5d5
ssdeep: 24576:/Cdxte/80jYLT3U1jfuWaQqzD1QA6YSJbKQ:ew80cTsj2WaQqziAJSJ5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

VirTool:INF/Autorun!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 005093361 )
DrWeb Trojan.MulDrop6.39472
Cynet Malicious (score: 85)
ALYac Zum.Ransom.Philadelphia.1
Malwarebytes Malware.AI.1261248132
Sangfor Worm.Win32.Filecoder.8
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Philadelphia.881faebb
K7GW Trojan ( 005093361 )
Cybereason malicious.e710b8
Symantec Ransom.Philadelphia
ESET-NOD32 a variant of Win32/Filecoder.Philadelphia.F
APEX Malicious
Avast AutoIt:Injector-IU [Trj]
BitDefender AIT:Trojan.Nymeria.4286
NANO-Antivirus Trojan.Win32.Autoit.erndqr
MicroWorld-eScan AIT:Trojan.Nymeria.4286
Tencent Win32.Worm.Filecoder.Dygl
Ad-Aware AIT:Trojan.Nymeria.4286
Sophos Troj/Stampado-A
BitDefenderTheta AI:Packer.B4380A1715
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_STAMPADO.SMAUIT1
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.dc
FireEye AIT:Trojan.Nymeria.4286
Emsisoft AIT:Trojan.Nymeria.4286 (B)
Avira HEUR/AGEN.1100225
Microsoft VirTool:INF/Autorun!rfn
Arcabit Zum.Ransom.Philadelphia.1
AegisLab Trojan.Win32.Generic.4!e
GData Zum.Ransom.Philadelphia.1
McAfee Artemis!870F7CCE710B
MAX malware (ai score=84)
VBA32 Trojan.MulDrop
TrendMicro-HouseCall Ransom_STAMPADO.SMAUIT1
Rising Trojan.Obfus/Autoit!1.BEDE (CLASSIC)
Ikarus Worm.Win32.FileCrypter
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Philadelphia.4936!tr.ransom
AVG AutoIt:Injector-IU [Trj]
Qihoo-360 Win32/Trojan.Loda.HgIASOkA

How to remove VirTool:INF/Autorun!rfn 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 VirTool:INF/Autorun!rfn 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 VirTool:INF/Autorun!rfn you can always ask me in the comments for getting help.

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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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