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BlueHowl Ransomware

Posted: June 7, 2017

Threat Metric

Threat Level: 8/10
Infected PCs: 56
First Seen: June 7, 2017
Last Seen: May 14, 2022
OS(es) Affected: Windows

The BlueHowl Ransomware is a Trojan that blocks your screen with its pop-up alert, encodes your files, and threatens to remove them if you don't pay its ransom demands. Use the strategies recommended in this article to avoid loading its screen-blocking feature, if required, and backups to recover after disinfecting your PC. PCs with anti-malware protection can remove the BlueHowl Ransomware during its installation routine and keep it from damaging your files.

A Trojan Campaign that Makes Your Monitor Howl

The nature of how they profit from their attacks means that most Trojans tend towards one of two extremes: making their presence extremely evident at the appropriate stage of infection or avoiding giving themselves away at all. One can observe an unusually brash example of the former methodology at work in the BlueHowl Ransomware, a file-encrypting Trojan with no known relatives, for the moment. This threat accompanies its attacks with intensive symptoms, but only after causing all its intended damages.

While malware experts still are verifying which algorithm the BlueHowl Ransomware uses, the Trojan's payload includes a file-encrypting feature that can block you from opening documents, photos or similar formats of media. While its encryption is a hidden, background process, the BlueHowl Ransomware also shows functions with very visible and audible symptoms, notably:

  • Initially, the BlueHowl Ransomware uses a text-to-speech feature to deliver a ransom message claiming that it will destroy your files within seventy-two hours (unless you pay its Bitcoin fee)
  • After this message, the BlueHowl Ransomware loads a Youtube clip of Europe's 'the Final Countdown' song. While it covers the visual content of the video, the threat actors use the audio as a background music for their text message.
  • Then, the BlueHowl Ransomware blocks the screen with its borderless pop-up window, a Web page showing its 0.2 Bitcoin ransom demands and its three-day countdown. The threat actors also provide a secondary, QR code-based payment mechanism.

Muting the Soundtrack of an Infected PC

The BlueHowl Ransomware targets English-based systems with its extortion campaign, which threatens to damage your files irrevocably while blocking other options of interaction with the computer. Most attacks barricading the user from essential UI elements are resolvable by rebooting your PC through an emergency startup device or by switching to the Safe Mode feature available in most modern operating systems. For a majority of users, tapping F8 while restarting the system will load the menu for advanced boot options, which can help you disable the BlueHowl Ransomware and other threats.

With the Trojan and its pop-up symptoms suppressed, most anti-malware programs should disinfect your PC without any further incidents. However, decrypting the files that are being locked by threats of this category may or may not be practical. Malware experts advise contacting trusted researchers in the anti-malware sector for assistance with data retrieval if your anti-malware programs don't remove the BlueHowl Ransomware before its attack.

As the thematic opposite of spyware, the relatively bombastic payload of the BlueHowl Ransomware creates undeserved revenue by methods that aren't in your best interest. Paying ransoms to file-encrypting threats is rarely of benefit to a victim, and protecting your files can keep you from behaving on a Trojan's schedule.

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