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Viruses

Discover essential defenses in the “Viruses” category at BugsFighter.com, where we provide comprehensive coverage on combating the myriad of digital threats that can compromise your devices and privacy. This section is dedicated to identifying, understanding, and removing viruses that affect computers, smartphones, and other digital platforms. From detailed analysis of new and evolving threats to step-by-step removal guides, our content is crafted to empower users with the knowledge they need to protect themselves. Whether you’re dealing with a stubborn infection or seeking to prevent future attacks, our expert advice and practical solutions are here to safeguard your digital life.

How to remove Coaq Ransomware and decrypt .coaq files

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Coaq Ransomware is the subtype of STOP Ransomware (or DJVU Ransomware) and has all the characteristics of this family of viruses. Malware blocks access to the data on the victim's computers by encrypting it with the AES encryption algorithm. STOP Ransomware is one of the longest living ransomware. First infections were registered in December 2017. Coaq Ransomware with such suffix is yet another generation of it and appends .coaq extensions to encrypted files. Following the encryption, the malware creates a ransom note file: _readme.txt on the desktop and in the folders with encoded files. In this file, hackers provide information about decryption and contact details, such as e-mails: support@freshmail.top and datarestorehelp@airmail.cc.

How to remove Cosw Ransomware and decrypt .cosw files

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New instances of STOP Ransomware (DjVu Ransomware) continue to damage users files all over the world. STOP/Djvu Ransomware is a specific type of ransomware that has been active since 2017. It is a type of file-encrypting malware that encrypts victims' files and demands payment in exchange for the decryption key. This crypto-virus uses a complex AES encryption algorithm to block users' access to their data and extort a ransom of $490 or $980. One of the new variations of extension, that appeared in October 2022, is: .cosw. Corresponding ransomware got the name Cosw Ransomware. The virus adds such suffixes to the end of encrypted files. If your files got such an ending and are not accessible, it means your PC is infected with STOP Ransomware. Malware developers slightly modify the virus technically.

How to remove Goba Ransomware and decrypt .goba files

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Goba Ransomware, which is actually next generation of STOP Ransomware appeared in the beginning of March 2023. This virus encrypts users' essential files, such as documents, photos, databases, music with AES encryption and adds .goba extensions to affected files. This ransomware is almost identical to numerous previous versions of the malware, that we described earlier, and belongs to the same authors, and uses the same e-mail addresses (support@freshmail.top and datarestorehelp@airmail.cc) and the same Bitcoin wallets. Full decryption is almost impossible, however, partially your data can be restored using instructions in this article. After the virus finishes, it creates _readme.txt file with the ransom note on the desktop and in the folders with affected files.

How to remove WannaSmile Ransomware and decrypt .wannasmile files

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If your files have been suddenly altered with the .wannasmile extension (for example, 1.pdf.wannasmile) and you are now shown a ransom-demanding message in the pop-up window, then you are likely dealing with WannaSmile Ransomware. Although there is not enough justification for this, WannaSmile could be a new version of another identically named ransomware from 2017 (by Iranian developers), which assigned the .WSmile extension. In general, such malware is typically designed to render data inaccessible (by running encryption) and then extort money from victims for its decryption.

How to remove Goaq Ransomware and decrypt .goaq files

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Developed by the Djvu family, Goaq Ransomware is a malicious program that runs extensive encryption of personal data. It uses popular, yet strong algorithms to put the stored files under severe lock. This, therefore, prevents users from succeeding in manual decryption. Knowing that users will not be able to recover files on their own, cybercriminals offer to decrypt data using their tools for a certain amount of money. The details that are presented inside a text note called _readme.txt, which is created after Goaq assigns new extensions to data. Specifically, it adds the .goaq extension so that encrypted files would look something like this 1.pdf.goaq. As soon as such changes are done, users will be no longer eligible to access their data.

How to remove Gosw Ransomware and decrypt .gosw files

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This article contains information about Gosw Ransomware version of STOP Ransomware that adds .gosw extensions to encrypted files, and creates ransom note files on the desktop and in the folders with affected files. Unfortunately, the encryption algorithm of this ransomware is currently unbreakable, but there are small chances to restore your files, that we describe in this text. Gosw Ransomware is actively distributed in the following countries: USA, Canada, Spain, Mexico, Turkey, Egypt, Brazil, Chile, Ecuador, Venezuela, Germany, Poland, Hungary, Indonesia, Thailand. This variation first appeared in the beginning of March 2023 and is almost identical to the previous dozens of variations. Ransomware virus still uses AES encryption algorithm and still demands a ransom in Bitcoin for decryption.

How to remove Alice Ransomware and decrypt .alice files

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Alice Ransomware is a malicious program designed to encrypt users' personal data and demand money for its decryption. While enciphering access to files with the help of secure algorithms, the file-encryptor also assigns the .alice extension to encrypted data. For instance, a file like 1.pdf will likely change to 1.pdf.alice and reset its original icon. Many ransomware infections assign their custom extension in order to distinguish encrypted files and make users notice the change. Instructions on how to return the files are presented within the How To Restore Your Files.txt text file, which gets created after successful encryption. This text note features guidelines written in Russian, which indicates this encryptor aims mainly at Russian-speaking users. It is worth noting that Alice has been seen distributed in two variants with slightly varying ransom note text.

How to remove Qotr Ransomware and decrypt .qotr files

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STOP Ransomware is a plague of 2017-2023, tenacious virus based on encryption technology, Qotr Ransomware is a recent version of it. Ransomware uses the AES encryption algorithm to encode important files and extorts a ransom in Bitcoins for decryption. This malware aims at western countries mostly, but there've been thousands of infections detected in other parts of the world. Qotr Ransomware uses the same patterns but adds different extensions to modify the files. The version that we observe today appends .qotr extension. The crypto-virus affects the user's valuable data: photos, videos, and documents, it takes hostage potentially critical files. At the same time, it keeps Windows system files intact. All recent versions used a ransom note file called _readme.txt, and this variation is not an exception. All samples belong to the same authors, as they use the same contact details: support@freshmail.top and datarestorehelp@airmail.cc.