Skip to content
  • Active
  • Severity: High
  • Ransomware
  • Windows
  • Verified · Dec 2023

How to remove Hgfu ransomware

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Alice Woods · Likes to teach users about virus prevention

Hgfu is a file-encrypting virus that demands money for its victims

Hgfu ransomware is a menacing derivative of the widely recognized Djvu ransomware lineage, which is known for its potent threat to digital data. Like its predecessors, this virus typically gains unauthorized access to computer systems. The primary avenues for its infiltration are through unofficial software downloads and counterfeit software activation tools.

Once the Hgfu ransomware finds its way into a system, it swiftly initiates an exhaustive file encryption operation. Key targets include essential files such as documents, multimedia content, and other significant data. To lock users out of their files, it uses the intricate RSA encryption algorithm, ensuring that without a distinct decryption key, the files remain unreachable. After the encryption, all affected files receive an “.hgfu” extension. In tandem with this, a ransom message named “_readme.txt” manifests, urging victims to pay a ransom, usually ranging between $980 and $490, in hopes of regaining access to their files.

For those who encounter the Hgfu ransomware, immediate response is crucial. It's recommended to isolate the infected device from any networks promptly and to execute a comprehensive system analysis using sophisticated security tools. The most effective strategy for safeguarding against such threats lies in routine data backups and stringent security protocols.

Name Hgfu virus
Type Ransomware, file-locking malware
File extension Malware appends .Hgfu extension to all affected files
Family Djvu
Ransom note _readme.txt dropped at every location where encrypted files are located
Contact support@freshmail.top and datarestorehelp@airmail
File Recovery There is no guaranteed way to recover locked files without backups. Other options include paying cybercriminals (not recommended, might also lose the paid money), using Emisoft's decryptor (works for a limited number of victims), or using third-party recovery software
Malware removal After disconnecting the computer from the network and the internet, do a complete system scan using the SpyHunterCombo Cleaner security program
System fix As soon as it is installed, malware has the potential to severely harm some system files, causing instability problems, including crashes and errors. Any such damage can be automatically repaired by using FortectIntego PC repair

Ransom note demands payment

A ransomware attack is not just a silent infiltration; it comes with a stark reminder of the intrusion: a ransom note. This message serves as the primary conduit between the victim and the attacker, detailing the conditions under which the encrypted data may be released.

The communication typically outlines the process for the victim to pay the demanded ransom in exchange for the decryption tool. It's not uncommon for some ransom notes to incorporate a ticking clock, threatening escalating damages or the complete obliteration of data if the deadline isn't met. Yet, Djvu-related strains, like the Hgfu, often adopt a less menacing, seemingly more professional demeanor. These messages often materialize as text documents, visuals, or even accessible web pages on the infiltrated device.

For those unfortunate enough to be targeted by the Hgfu virus, a jarring ransom note appears soon after their files are encrypted. The note's content broadly communicates the following:

ATTENTION!

Don't worry, you can return all your files!
All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
https://we.tl/t-sD0OUYo1Pd
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that's price for you is $490.
Please note that you'll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don't get answer more than 6 hours.

To get this software you need write on our e-mail:
support@freshmail.top

Reserve e-mail address to contact us:
datarestorehelp@airmail.cc

Your personal ID:

Cyber attackers, in an attempt to appear credible, might offer gestures like discounted payments or even a trial decryption service. Such strategies aim to sedate the victim's apprehensions, leading them into the mirage of trust and collaboration.

Yet, it's imperative to maintain skepticism. Even with the Hgfu ransomware, there's an absence of guaranteed reciprocity post-payment. These cybercriminals navigate the murky waters of illicit activities, prioritizing their interests, which renders their guarantees dubious at best.

Malware removal

When confronted with Hgfu or similar ransomware, it's vital to recognize that merely addressing the encryption might not cleanse the system of the malware entirely. Residual components could linger, maintaining a latent threat, and it's not rare for such ransomware to be paired with additional malicious entities. For instance, certain Djvu variants had been observed to be packaged with the malicious Vidar Trojan, introducing another dimension of risk to the compromised machine.

The foremost step in the malware cleansing process should be severing the system's internet connection. This move curtails any further malicious activities or spread. Subsequently, users should perform a comprehensive system sweep using trusted security software like SpyHunterCombo Cleaner or MalwarebytesMalwarebytes. Such tools come fortified with mechanisms tailored to pinpoint and eradicate a spectrum of malware, spanning ransomware to Trojans.

A proactive measure involves venturing into:

  • C:\Windows\System32\drivers\etc

Within this directory, it's imperative to identify and excise the “hosts” file. This file often undergoes alterations by ransomware to obstruct users from accessing certain web portals, predominantly those proffering malware mitigation or data salvage solutions. To further bolster system health, consider deploying a robust PC repair application FortectIntego. Such utilities excel at mending compromised Windows components, ensuring an error-free, stable operating environment, and minimizing hazards like system crashes.

Once convinced of the comprehensive eviction of the ransomware and its potential allies, the spotlight can shift to data restoration. Before embarking on this recovery phase, affirming the total absence of any malware trace is paramount. This wards off potential setbacks like further data compromise or repeat encryptions.

The realm of ransomware is often shrouded in misconceptions, particularly concerning the dynamics of data encryption and the functioning of such malware. A common notion harbored by many ransomware victims is the presumption that a comprehensive system scan using security tools is a panacea for their encrypted files. Some even embark on manual interventions, like renaming and re-extending files, hoping this would miraculously restore their data. However, the reality is considerably more intricate.

The encryption deployed by ransomware, including the Hgfu variant, is built on sophisticated algorithms. These tools generate cryptographic sequences that are Herculean to decipher or bypass, dispelling the idea of tricking ransomware into releasing files. Exorcising the malware doesn't liberate the files; they remain encrypted and unreachable sans the decryption key—a piece of information zealously guarded by cyber adversaries.

Ransomware's modus operandi involves encrypting data, associating each with a distinctive identifier and a convoluted encryption key. This data is relayed to the malicious actors, empowering them with the tools needed to produce a decryption key, subsequently granting them unfettered access to the entrapped data. Their objective is lucid: capitalize on the victim's desperation, transforming it into monetary gains, underscoring why ransomware is a goldmine for cybercriminal syndicates.

While the allure of paying ransoms might seem compelling, we advocate for alternative avenues, delineated below. Prior to venturing into any recovery techniques, it's pivotal to have a backup of the ensnared data. This prudence prevents further data degradation during restoration attempts.

A logical starting point would be the Emsisoft decryption utility. However, it's paramount to acknowledge its efficacy is contingent on the specific ransomware strain and an array of other determinants.

  • Download the app from the official Emsisoft website.
  • After pressing Download button, a small pop-up at the bottom, titled decrypt_STOPDjvu.exe should show up – click it.
  • If User Account Control (UAC) message shows up, press Yes.
  • Agree to License Terms by pressing Yes.

  • After Disclaimer shows up, press OK.
  • The tool should automatically populate the affected folders, although you can also do it by pressing Add folder at the bottom.
  • Press Decrypt.

From here, there are three available outcomes:

  1. Decrypted!” will be shown under files that were decrypted successfully – they are now usable again.
  2. Error: Unable to decrypt file with ID:” means that the keys for this version of the virus have not yet been retrieved, so you should try later.
  3. This ID appears to be an online ID, decryption is impossible” – you are unable to decrypt files with this tool.

If your data was encrypted with an online ID, Emsisoft's tool won't work. In such a case, we recommend trying specialized data recovery software instead.

  • Download Data Recovery Pro.
  • Double-click the installer to launch it.
  • Follow on-screen instructions to install the software.
  • As soon as you press Finish, you can use the app.
  • Select Everything or pick individual folders which you want the files to be recovered from.Select what to recover
  • Press Next.
  • At the bottom, enable Deep scan and pick which Disks you want to be scanned.Select Deep scan
  • Press Scan and wait till it is complete.Scan
  • You can now pick which folders/files to recover – don't forget you also have the option to search by the file name!
  • Press Recover to retrieve your files.

Check out the instructions below for more tips and troubleshooting.

Be the first to comment

Spyware news
Privacy preferences

We use cookies to improve your experience and analyze traffic. Some cookies enable embedded content like videos and social posts. Choose what you allow — you can change this anytime.