Worm:Win32/Prolaco!C

What is Worm:Win32/Prolaco!C infection?

In this short article you will certainly locate concerning the meaning of Worm:Win32/Prolaco!C as well as its adverse influence on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom money by a sufferer.

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In the majority of the cases, Worm:Win32/Prolaco!C virus will certainly instruct its victims to start funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the target’s tool.

Worm:Win32/Prolaco!C Summary

These adjustments can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Unconventionial language used in binary resources: Afrikaans;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • 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.
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the victim’s hard disk — so the victim can no more use the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Worm:Win32/Prolaco!C

The most typical channels where Worm:Win32/Prolaco!C Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a resource that organizes a destructive software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or protect against the device from working in a correct fashion – while also putting a ransom money note that discusses the need for the victims to effect the repayment for the objective of decrypting the files or bring back the documents system back to the initial problem. In most instances, the ransom money note will come up when the customer reboots the COMPUTER after the system has already been harmed.

Worm:Win32/Prolaco!C distribution networks.

In various corners of the globe, Worm:Win32/Prolaco!C grows by leaps and bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom amount may differ relying on certain local (local) setups. The ransom money notes and also techniques of extorting the ransom money quantity may differ depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the victim’s gadget. The sharp then demands the individual to pay the ransom money.

    Faulty statements regarding unlawful content.

    In countries where software program piracy is much less prominent, this approach is not as reliable for the cyber scams. Alternatively, the Worm:Win32/Prolaco!C popup alert may incorrectly claim to be deriving from a police institution as well as will certainly report having located youngster pornography or various other prohibited information on the gadget.

    Worm:Win32/Prolaco!C popup alert might incorrectly declare to be deriving from a legislation enforcement institution as well as will report having located kid porn or other illegal information on the gadget. The alert will in a similar way include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: CE328B65
md5: 5c76e13d1eb1d078524f4fc994240d20
name: 5C76E13D1EB1D078524F4FC994240D20.mlw
sha1: 4d3d93ba2e5232c454f3ddd34870d921be22a952
sha256: 7ebce506ea170da3750fa80f5ac346a6019bff5c26bceb066919c5be5e6d55f6
sha512: 1a7487565db845b13d7c44830b272e7e425ffca6d69fac0900928e7b89967494c9d4c6e4187c7e66c8df5958d43b3baf812577737530b7a9a314ecdc385686fb
ssdeep: 12288:60/mE+ySkeo0Ei3BVcPEEsF61Xkn0EqYJt/Rkxq5r8aS/XDm/LDj/izzdueKyY67:60+EeBSlsFs0ndqYJtiqCxrm7izzA6XL
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Worm:Win32/Prolaco!C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.ProlacoNHB.fam.Trojan
K7AntiVirus Trojan ( 004e78ab1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader1.6751
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ser.Razy.4005
Cylance Unsafe
Zillya Dropper.Typic.Win32.791
CrowdStrike win/malicious_confidence_60% (D)
K7GW Trojan ( 004e78ab1 )
Cybereason malicious.d1eb1d
Cyren W32/Risk.BDFH-5993
Symantec W32.Ackantta!gen
ESET-NOD32 a variant of Win32/Merond.AC
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Trojan.Dropper-3150
Kaspersky Trojan-Ransom.Win32.Blocker.iibc
BitDefender Gen:Variant.Ser.Razy.4005
NANO-Antivirus Trojan.Win32.Merond.eytrjj
MicroWorld-eScan Gen:Variant.Ser.Razy.4005
Tencent Win32.Trojan.Inject.Auto
Ad-Aware Gen:Variant.Ser.Razy.4005
Sophos ML/PE-A + Mal/CryptBox-A
Comodo Malware@#2mmpaa8dinia6
BitDefenderTheta AI:Packer.A46048811F
VIPRE Worm.Win32.Prolaco.gen (v)
TrendMicro WORM_PROLACO.SMA
McAfee-GW-Edition BehavesLike.Win32.IRCBot.jc
FireEye Generic.mg.5c76e13d1eb1d078
Emsisoft Gen:Variant.Ser.Razy.4005 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Buzus.ryp
Webroot W32.Malware.Gen
Avira TR/Dropper.Gen
Microsoft Worm:Win32/Prolaco.gen!C
Arcabit Trojan.Ser.Razy.DFA5
AegisLab Trojan.Win32.Buzus.kZKM
ZoneAlarm Trojan-Ransom.Win32.Blocker.iibc
GData Win32.Trojan.Prolaco.A
AhnLab-V3 Dropper/Win32.Typic.R1801
McAfee GenDownloader.ay
MAX malware (ai score=100)
VBA32 TrojanRansom.Blocker
Panda Generic Malware
TrendMicro-HouseCall WORM_PROLACO.SMA
Rising Trojan.Win32.Generic.1553991A (C64:YzY0OlUB2e0lDpQv)
Yandex Trojan.GenAsa!VCW6ua3WfJ8
Ikarus P2P-Worm.Win32.BlackControl
Fortinet W32/Merond.O!worm
AVG Win32:Malware-gen
Qihoo-360 HEUR/Malware.QVM02.Gen

How to remove Worm:Win32/Prolaco!C 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 Worm:Win32/Prolaco!C 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/Prolaco!C 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/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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