VHO:Trojan.Win32.SchoolBoy

Written by Robert Bailey

What is VHO:Trojan.Win32.SchoolBoy infection?

In this article you will locate about the interpretation of VHO:Trojan.Win32.SchoolBoy and also its adverse effect on your computer system. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom by a target.

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In the majority of the situations, VHO:Trojan.Win32.SchoolBoy ransomware will certainly advise its targets to start funds transfer for the function of counteracting the modifications that the Trojan infection has introduced to the target’s device.

VHO:Trojan.Win32.SchoolBoy Summary

These alterations can be as adheres to:

  • Possible date expiration check, exits too soon after checking local time;
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Anomalous binary characteristics;
  • Ciphering the papers located on the target’s disk drive — so the sufferer can no longer use the data;
  • Preventing normal accessibility to the target’s workstation;

Related domains:

srvFides.sangiorgio.local Ransom/W32.Cryrar.102912

VHO:Trojan.Win32.SchoolBoy

The most common networks whereby VHO:Trojan.Win32.SchoolBoy Ransomware Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a resource that holds a malicious software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or prevent the gadget from working in a correct way – while likewise positioning a ransom money note that mentions the need for the targets to effect the settlement for the purpose of decrypting the documents or restoring the data system back to the initial condition. In a lot of instances, the ransom money note will certainly show up when the client restarts the PC after the system has actually currently been harmed.

VHO:Trojan.Win32.SchoolBoy distribution channels.

In various corners of the globe, VHO:Trojan.Win32.SchoolBoy expands by jumps and also bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom money amount may differ depending upon specific local (regional) setups. The ransom notes and methods of obtaining the ransom money amount may differ depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the target’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty statements about illegal web content.

    In countries where software piracy is much less preferred, this technique is not as effective for the cyber fraudulences. Additionally, the VHO:Trojan.Win32.SchoolBoy popup alert might incorrectly claim to be stemming from a police organization as well as will report having located youngster porn or other prohibited information on the tool.

    VHO:Trojan.Win32.SchoolBoy popup alert might wrongly declare to be acquiring from a law enforcement organization and also will certainly report having situated youngster pornography or other unlawful information on the gadget. The alert will similarly include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 195216A0
md5: 8c8f380578330b5215b74e50a2fe08c7
name: 8C8F380578330B5215B74E50A2FE08C7.mlw
sha1: e73f3a4759b454407c7c2bd984d93da40c14928d
sha256: 2fcf4228bc022ee073355ad8834cc01d43ed34609de4a777004ae9bab01d86be
sha512: f1a5bf5551cab1600bc3dcd74d027237cdfe9c21c6a475941cdd707578240cd281176b5cb5062c9a31cff604b2b5649897f3753c08a739d646d91d0c870c9bd7
ssdeep: 1536:W27ftfkS5g9YOms+gZcQipICdXkNDqLLZX9lItVGL++eIOlnToIfNwTGjOX:WMFfHgTWmCRkGbKGLeNTBfNPU
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

VHO:Trojan.Win32.SchoolBoy also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.SchoolBoy.4!c
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.GenericPMF.S4848618
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Symantec ML.Attribute.HighConfidence
Avast Win32:Malware-gen
Kaspersky VHO:Trojan.Win32.SchoolBoy.gen
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34170.guW@aaBX!Jf
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.8c8f380578330b52
SentinelOne Static AI – Malicious PE
Microsoft Program:Win32/Wacapew.C!ml
TACHYON Ransom/W32.Cryrar.102912
AhnLab-V3 Malware/Win32.Generic.C2733917
McAfee Artemis!8C8F38057833
MAX malware (ai score=90)
TrendMicro-HouseCall TROJ_GEN.R002H0CIM21
Rising Trojan.Generic@ML.86 (RDMK:vTXtwcBnFTkH+0Hv12cUsw)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/PossibleThreat
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove VHO:Trojan.Win32.SchoolBoy 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 VHO:Trojan.Win32.SchoolBoy 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 VHO:Trojan.Win32.SchoolBoy 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: http://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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