Written by Robert Bailey

What is Win32/TrojanDropper.Delf.OLP infection?

In this post you will certainly locate concerning the interpretation of Win32/TrojanDropper.Delf.OLP as well as its unfavorable effect on your computer. Such ransomware are a form of malware that is clarified by on the internet fraudulences to demand paying the ransom by a target.

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In the majority of the instances, Win32/TrojanDropper.Delf.OLP ransomware will certainly advise its victims to initiate funds move for the function of reducing the effects of the changes that the Trojan infection has introduced to the target’s tool.

Win32/TrojanDropper.Delf.OLP Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection with CreateRemoteThread in a remote process;
  • Possible date expiration check, exits too soon after checking local time;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image;
  • Uses Windows utilities for basic functionality;
  • Sniffs keystrokes;
  • Steals private information from local Internet browsers;
  • Mimics the file times of a Windows system file;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Network activity detected but not expressed in API logs;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Ciphering the files situated on the target’s hard disk — so the victim can no longer utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Related domains: Trojan-Ransom.Win32.Foreign.myol Trojan-Ransom.Win32.Foreign.myol


The most common networks where Win32/TrojanDropper.Delf.OLP Ransomware are injected are:

  • By methods of phishing emails;
  • As an effect of user winding up on a source that holds a destructive software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or prevent the device from operating in an appropriate manner – while also positioning a ransom money note that points out the requirement for the victims to effect the settlement for the purpose of decrypting the documents or restoring the data system back to the first condition. In a lot of circumstances, the ransom note will certainly turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/TrojanDropper.Delf.OLP distribution channels.

In different corners of the globe, Win32/TrojanDropper.Delf.OLP grows by jumps as well as bounds. However, the ransom money notes and also methods of obtaining the ransom money quantity might differ relying on specific neighborhood (local) setups. The ransom notes and also tricks of obtaining the ransom money quantity may differ depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s gadget. The alert then demands the individual to pay the ransom.

    Faulty statements concerning unlawful web content.

    In countries where software program piracy is less popular, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/TrojanDropper.Delf.OLP popup alert may incorrectly declare to be deriving from a law enforcement organization and also will certainly report having situated child pornography or other prohibited data on the device.

    Win32/TrojanDropper.Delf.OLP popup alert may falsely claim to be acquiring from a law enforcement organization as well as will report having situated child porn or other illegal data on the device. The alert will likewise consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: DC9262F6
md5: b7f47bfb3c942aaf2f96e49ace91153a
name: B7F47BFB3C942AAF2F96E49ACE91153A.mlw
sha1: ec6983073f537bf8c91c21ecc7d0f00e94b13a1a
sha256: 3e4df3dfbef552607140279b92046e0f61432ddfd52557eb5be2e3a4c4b5ba8a
sha512: 1b566b4ff9f32fe609ec797dd1534c56102c7e23a05513267cb997878f832be155e39db2b337f39c3e8955f6ed8e0e1ff71e47fdac678a54912551de0dc0e896
ssdeep: 12288:hxaVAh64U5lT8wvW3a6pOi4PvZdcD4MUD+w3xItSKFVUDeheVrjKi:hxaVxr59pWbOVvcD4L1dKpe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/TrojanDropper.Delf.OLP also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e3df1 )
Lionic Trojan.Win32.Foreign.j!c
McAfee Artemis!B7F47BFB3C94
Alibaba TrojanDropper:Win32/Foreign.2ece6baf
K7GW Trojan ( 0055e3df1 )
Cybereason malicious.b3c942
Cyren W32/Fynloski.D.gen!Eldorado
Symantec Infostealer.Limitail
ESET-NOD32 Win32/TrojanDropper.Delf.OLP
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 99)
Kaspersky Trojan-Ransom.Win32.Foreign.myol
BitDefender Trojan.Rasftuby.Gen.11
NANO-Antivirus Trojan.Win32.RiskGen.dzvfyl
MicroWorld-eScan Trojan.Rasftuby.Gen.11
Tencent Win32.Trojan.Foreign.Pito
Ad-Aware Trojan.Rasftuby.Gen.11
Sophos Mal/RarMal-E
Comodo Malware@#rfv1tqwev36x
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.gc
Emsisoft Trojan.Rasftuby.Gen.11 (B)
Avira TR/Patched.Gen
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft TrojanDropper:Win32/Slipafext.A
ZoneAlarm Trojan-Ransom.Win32.Foreign.myol
GData Trojan.Rasftuby.Gen.11
MAX malware (ai score=100)
Panda Trj/CI.A
Ikarus Trojan-Ransom.Foreign
MaxSecure Trojan.Malware.771626.susgen
Fortinet W32/Foreign.MVMZ!tr
AVG Win32:Malware-gen

How to remove Win32/TrojanDropper.Delf.OLP 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 Win32/TrojanDropper.Delf.OLP 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/TrojanDropper.Delf.OLP you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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