Gameover Zeus banking malware was allegedly responsible for over one million computer infections, according to FBI investigations. If ransomware hits, data backups are critical for all businesses, because most likely the data will never be retrieved and it will be impossible to restore the system without formatting it.ĬryptoLocker is a highly sophisticated malware strain but it can’t self-replicate, so hackers distributed the malware through a Trojan that replicated through infected email attachments and through the Gameover Zeus, (a peer-to-peer botnet built on ZeusTrojan). In some cases, a signature-based detection security software with malicious behavior monitoring could detect and remove the ransomware, but the data is lost regardless. Subscribe now to get the latest right into your inbox. Liquid Web’s blog is full of useful tips on how to secure your infrastructure. While many companies naively expect immediate payment will regain them access to files, hackers are unlikely to release encryption keys and the data is lost. Immediately an alert will appear on the screen informing the victim that the system is encrypted, and a bitcoin ransom must be paid to retrieve a decryption key. Upon infection, the malicious software encrypts all data and rapidly spreads in the entire infrastructure.
In recent years, hackers have developed sophisticated scams with copycat emails and templates, making it often hard even for the most tech-savvy to detect a phishing attempt.Īll it takes is for an individual to click on the link in the body of the email or download the attachment.” Ransomware infections usually start with drive-by downloading or phishing campaigns: a suspicious email from an unknown source that manipulates the user through social engineering techniques to click on a link or download an infected attachment. The CryptoLocker ransomware attack remains, alongside Petya and WannaCry, one of the most prolific large-scale attacks in malware history, designed specifically for Windows operating systems.Ĭybersecurity specialists say the first CryptoLocker attack took place on September 5, 2013, yet the ransomware crippled about 500,000 Microsoft Windows computers at a rampant infection rate until it was contained in May 2014 following Operation Tovar.īut where do ransomware attacks originate and how do they work? How Ransomware Usually Operates
Ransomware attacks are real and dangerous.
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