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Tag: Ransomware

Ransomware is a Cryptovirology attack carried out using covertly installed malware that encrypts the victim’s files and then requests a ransom payment in return for the decryption key that is needed to recover the encrypted files. Thus, ransomware is an access-denial type of attack that prevents legitimate users from accessing files since it is intractable to decrypt the files without the decryption key. Other attacks superficially lock the system and display messages intended to coax the user into paying. Ransomware typically propagates as a Trojan, whose payload is disguised as a seemingly legitimate file.

While initially popular in Russia, the use of ransomware scams has grown internationally; in June 2013, security software vendor McAfee released data showing that it had collected over 250,000 unique samples of ransomware in the first quarter of 2013, more than double the number it had obtained in the first quarter of 2012. Wide-ranging attacks involving encryption-based ransomware began to increase through Trojans such as CryptoLocker, which had procured an estimated US$3 million before it was taken down by authorities, and CryptoWall, which was estimated by the US Federal Bureau of Investigation (FBI) to have accrued over $18m by June 2015.

Petya ransomware: Free decryption tool released for the original versions of...

Red Petya, Green Petya and GoldenEye can all be decrypted with this free tool - unfortunately it can't do anything about NotPetya or PetrWrap

This ransomware lets crooks spot their victim on a map

Ransomware has always been sinister - now it's creepy too.

No more ransomware: How one website is stopping the crypto-locking crooks...

No More Ransom launched a year ago: here's the story of how cybersecurity firms and law enforcement are working together to bring down ransomware.

Petya ransomware: Companies are still dealing with aftermath of global cyberattack

Weeks after the ransomware attack that rippled across the globe, companies are still trying to deal with the damage.

Motivation Mystery Behind WannaCry, ExPetr

A shift in APT tactics is emerging as characterized by the destructive ExPetr attacks hidden in ransomware, and WannaCry, which also failed to turn a profit.

But how does our ransomware make you feel?

Psychology of ransomware threats unpicked Ransomware crooks have become skilled psychological manipulators in their attempts to fleece victims of file-encrypting malware.…

IDG Contributor Network: 3 reasons cloud-native is the next evolution in...

In my last article, I discussed threats that wreak havoc on data centers and why even relatively simple attacks can cause loads of issues for companies.

Today, the threats that organizations face are only increasing in severity and frequency.

During the first few months of 2017, mobile ransomware rose over 250 percent according to Kaspersky Lab. Just last week, GoldenEye, the new strain of the Petya ransomware, took the world by storm.These examples are proof that attacks are getting smarter, enterprises are leaving themselves vulnerable and threat actors are doing more damage than goodmdash;at least in some instances.
Itrsquo;s time to challenge conventional wisdom.

The traditional VM environment and reactive tactics, where anything on the VM requires constant monitoring, isnrsquo;t working anymore.To read this article in full or to leave a comment, please click here

‘Spyware,’ Ransomware Top Threats but Defenders Slowly Improve

Nearly half of firms have encountered spyware, according to Ciscorsquo;s semi-annual cyber-security report.

BEC Attacks Far More Lucrative than Ransomware over Past 3 Years

BEC fraud netted cyberthieves five times more profit than ransomware over a three-year period, according to Cisco's midyear report released today.

A King’s Ransom It is Not

The first half of 2017 began with two intriguing ransomware events, both partly enabled by wormable exploit technology dumped by a group calling themselves “The ShadowBrokersrdquo;.

These WannaCry and ExPetr ransomware events are the biggest in the sense that they spread the quickest and most effectively of known ransomware to date.

Targeted, custom ransomware menace rears its ugly head

No spraying and praying here, just precise, exorbitant attacks Attackers are manually deploying ransomware directly into target networks to maximise the damage and potential payout.…