PUP.Optional.FastDownloader

What is PUP.Optional.FastDownloader infection?

In this article you will certainly discover concerning the interpretation of PUP.Optional.FastDownloader and its adverse influence on your computer. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.

In the majority of the instances, PUP.Optional.FastDownloader infection will certainly instruct its sufferers to launch funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the sufferer’s gadget.

PUP.Optional.FastDownloader Summary

These modifications can be as complies with:

  • Presents an Authenticode digital signature;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s hard drive — so the target can no more utilize the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
downloader.downerapi.com Ransom.Wannacry
statapi.downerapi.com Ransom.Wannacry

PUP.Optional.FastDownloader

One of the most normal networks where PUP.Optional.FastDownloader Ransomware Trojans are injected are:

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

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or protect against the tool from operating in a correct fashion – while also positioning a ransom money note that discusses the need for the victims to effect the payment for the purpose of decrypting the files or recovering the data system back to the preliminary problem. In many circumstances, the ransom money note will come up when the customer reboots the COMPUTER after the system has currently been damaged.

PUP.Optional.FastDownloader distribution channels.

In various edges of the world, PUP.Optional.FastDownloader expands by leaps and also bounds. However, the ransom notes and tricks of obtaining the ransom money quantity may vary depending on specific local (local) setups. The ransom notes as well as tricks of extorting the ransom money quantity may vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the victim’s device. The alert after that requires the user to pay the ransom money.

    Faulty declarations concerning illegal material.

    In nations where software program piracy is much less preferred, this technique is not as reliable for the cyber frauds. Conversely, the PUP.Optional.FastDownloader popup alert might falsely declare to be originating from a police organization and will certainly report having situated kid porn or various other unlawful information on the gadget.

    PUP.Optional.FastDownloader popup alert might falsely claim to be deriving from a regulation enforcement establishment as well as will report having located child porn or other illegal data on the device. The alert will likewise include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: F9B7736Bmd5: 2a16cc24ee0e65fa57479a8959d471d6name: _____________________-v3.48__________07617132.exesha1: c6a45a043195dc59878dc99d9a3ae239d008ce27sha256: 270b8ef0532ef5a915f30a74716fb5afd77322c7078ee936a2c4af02a7f8d4fcsha512: 26468cef0cdc58f85e1477a29cb8a064564440be1458a4d4b6213866d241f303db5de817741a2cce5897b44c51b02c822bea9e6e0454c1a9576fa5e9302918efssdeep: 24576:cjzSNQDy1AOM8EHpU/QqBo521H6zf6IJZWpaamE3jdvvZQdSszdn:eny1ATpGh6zfdIhF3jdvBQdSszdntype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018InternalName: FastDownloader.exeFileVersion: 3.2.0.8CompanyName: -ProductName: x8f6fx4ef6x4e0bx8f7dx5668ProductVersion: 3.2.0.8FileDescription: x8f6fx4ef6x4e0bx8f7dx5668OriginalFilename: FastDownloader.exeTranslation: 0x0804 0x04b0

PUP.Optional.FastDownloader also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Variant.Adware.Downloader.211
FireEye Generic.mg.2a16cc24ee0e65fa
McAfee Artemis!2A16CC24EE0E
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Riskware ( 00544e421 )
BitDefender Gen:Variant.Adware.Downloader.211
K7GW Riskware ( 00544e421 )
Invincea heuristic
Cyren W32/Adware.JGSA-6439
Symantec Ransom.Wannacry
APEX Malicious
Avast Win32:Adware-gen [Adw]
GData Gen:Variant.Adware.Downloader.211
Alibaba RiskWare:Win32/Downer.6c356112
Ad-Aware Gen:Variant.Adware.Downloader.211
Sophos Mal/Generic-S
Zillya Tool.Downer.Win32.49
TrendMicro PUA.Win32.Downer.USXVPCL20
McAfee-GW-Edition Artemis!PUP
Emsisoft Application.Downloader (A)
Ikarus PUA.RiskWare.Downer
Antiy-AVL GrayWare/Win32.Downer
Endgame malicious (high confidence)
Arcabit Trojan.Adware.Downloader.211
Microsoft PUA:Win32/Downer
AhnLab-V3 PUP/Win32.Generic.C3478818
ALYac Gen:Variant.Adware.Downloader.211
MAX malware (ai score=99)
Malwarebytes PUP.Optional.FastDownloader
Panda Trj/Genetic.gen
ESET-NOD32 a variant of Win32/RiskWare.Downer.A
TrendMicro-HouseCall PUA.Win32.Downer.USXVPCL20
Rising Adware.Downloader!1.BD64 (CLOUD)
eGambit Unsafe.AI_Score_51%
Fortinet Riskware/Downer
Webroot W32.Adware.Gen
AVG Win32:Adware-gen [Adw]
Paloalto generic.ml

How to remove PUP.Optional.FastDownloader ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove PUP.Optional.FastDownloader you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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