What is PWS:Win32/Prepscram infection?

In this post you will certainly discover concerning the meaning of PWS:Win32/Prepscram and its adverse influence on your computer. Such ransomware are a kind of malware that is elaborated by on the internet frauds to demand paying the ransom by a sufferer.

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Most of the situations, PWS:Win32/Prepscram virus will certainly advise its victims to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the victim’s device.

PWS:Win32/Prepscram Summary

These adjustments 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.
  • Uses Windows utilities for basic functionality;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the sufferer’s hard drive — so the victim can no longer use the information;
  • Preventing routine 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.


One of the most normal channels whereby PWS:Win32/Prepscram Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of user ending up on a source that holds a malicious software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s PC or avoid the gadget from functioning in a correct manner – while also placing a ransom note that states the demand for the sufferers to impact the settlement for the function of decrypting the records or bring back the data system back to the preliminary problem. In a lot of circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has currently been harmed.

PWS:Win32/Prepscram distribution channels.

In various corners of the globe, PWS:Win32/Prepscram grows by leaps and also bounds. Nonetheless, the ransom notes and methods of obtaining the ransom money quantity may differ depending upon particular neighborhood (regional) settings. The ransom notes and also techniques of extorting the ransom money amount might differ depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In particular locations, the Trojans often wrongfully report having found some unlicensed applications allowed on the target’s device. The alert after that requires the individual to pay the ransom money.

    Faulty statements about illegal material.

    In nations where software program piracy is much less popular, this method is not as reliable for the cyber scams. Alternatively, the PWS:Win32/Prepscram popup alert may falsely claim to be deriving from a law enforcement organization and also will report having situated kid pornography or various other illegal information on the tool.

    PWS:Win32/Prepscram popup alert might wrongly declare to be deriving from a legislation enforcement organization and also will certainly report having located youngster pornography or various other prohibited information on the tool. The alert will in a similar way include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 5B5C8718
md5: be65696cca1ca05c497b8f873948431e
name: BE65696CCA1CA05C497B8F873948431E.mlw
sha1: 76d854804bb32913b727ca039a25ffb06a69262a
sha256: 3fbc8f63512f01bd063203c0a70e8966c02e44eae5e2d3992cf21071c058d500
sha512: f4837a057028e0b5cc08aa35b400722dacb0c924439361d8a64dd6a419896836fb457419ab85d72badb1ca357a290f91b7b75593f58327fca328345a63f60cfb
ssdeep: 12288:sEqrKalMNxIoR7CdSC0cYg2VGXpfebxlXplAovaH2gTuctUOfDwoZuC7DX8Tdkx:lalceSC0RXpl/y8aUiwoiTdtY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

PWS:Win32/Prepscram also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 005525c61 )
Elastic malicious (high confidence)
DrWeb Trojan.Click3.27659
Cynet Malicious (score: 100)
McAfee GenericRXGU-EO!BE65696CCA1C
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.241183
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba TrojanPSW:Win32/Prepscram.f0147852
K7GW Adware ( 005509331 )
Cybereason malicious.cca1ca
Cyren W32/Occamy.L.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Swjoy.A potentially unwanted
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.BlueWushu.gen
BitDefender Gen:Variant.Johnnie.162553
NANO-Antivirus Trojan.Win32.Click3.fqmsrv
MicroWorld-eScan Gen:Variant.Johnnie.162553
Tencent Malware.Win32.Gencirc.10ce3951
Ad-Aware Gen:Variant.Johnnie.162553
Comodo TrojWare.Win32.Ransom.Birele.B@7fd5wb
VIPRE Trojan.Win32.Generic!BT
Emsisoft Gen:Variant.Johnnie.162553 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.BlueWushu.x
Avira HEUR/AGEN.1115390
eGambit Unsafe.AI_Score_53%
Microsoft PWS:Win32/Prepscram
AegisLab Trojan.Win32.BlueWushu.4!c
ZoneAlarm HEUR:Trojan.Win32.BlueWushu.gen
GData Gen:Variant.Johnnie.162553
TACHYON Trojan/W32.Johnnie.807936
AhnLab-V3 Malware/Win32.Generic.C2704035
Acronis suspicious
VBA32 BScope.Trojan.Click
MAX malware (ai score=82)
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R03BC0DA121
Rising PUF.Swjoy!1.BA12 (C64:YzY0OlbA5UL06ZHl)
Ikarus Trojan.Clicker
Fortinet W32/Birele.AIMA!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Worm.CTS.HwoCrO0A

How to remove PWS:Win32/Prepscram 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 PWS:Win32/Prepscram 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 PWS:Win32/Prepscram 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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