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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.

Queensland hospitals facing system failure after botched WannaCry patch

Five hospitals in Queensland are suffering from system failure caused by the security patches that were installed to protect the hospital from the global WannaCry ransomware attack.

Ransomware hits Australian hospitals after botched patch

WannaCry? Minister says data is safe, so save your tears for now Hospitals connected to Australian State of Queensland's integrated electronic medical record system (ieMR) are suffering outages attributed to patching against a ransomware attack.…

WannaCry: The North Korea Debate

Researchers split over whether an infamous North Korean hacking group, an affiliate, or another attacker altogether, is behind the epic ransomware worm.

Feeling Locky, punk? Ransomware grew eight-fold last year

Days of future past Ransomware saw a more than eight-fold (752 per cent) increase as a mode of attack in 2016, according to Trend Micro.…

Now tech support scams are exploiting WannaCry ransomware fears

Police issue warning over fake support scams using WannaCry to scare PC users into paying up.

Kaspersky Lab Report Confirms Ransomware Spiked in Q1 2017

Kaspersky Lab's malware report for the first quarter of 2017 shows a dramatic spike in ransomware with such attacks growing particularly fast on mobile devices.

After the ransomware attack: Hospitals are still recovering from the WannaCry...

While most services have returned to normal, London's Barts Health NHS Trust is still cancelling some appointments and operations in order to "run all services safely".

386 WannaCry ransomware samples discovered in the wild

The destructive ransomware has caused chaos and it may be that cyberattackers want to continue capitalizing on the malware.

There’s new evidence tying WCry ransomware worm to prolific hacking group

Common tools, techniques, and infrastructure make link "highly likely."

WannaCry Ransomware Raises Stakes for Cyber-Security Insurance

Insurance companies are already starting to see claims as a result of the WannaCry ransomware worm, though it's still too early to measure the full financial impact.

Ransomware: WannaCry was basic, next time could be much worse

Some researchers suggest WannaCry was a a basic piece of ransomware - what damage that could be done with more advanced code?

Jaya Baloo on WannaCry and Defending Against Advanced Attacks

Jaya Baloo, CISO of KPN, the Netherlandsrsquo; leading telecommunications provider, talks to Mike Mimoso about the WannaCry ransomware outbreak and how large network providers and enterprises must contend with advanced attacks.