Articles about cryptowall

Super-villain Dr Evil puts finger to lip in scheming manner, asks for one million dollars. Pic: New Line Cinema

How cybercrooks made $330K from ransomware without really trying

The small cybercrime ring behind the CryptoWall 3.0 ransomware was able to collect more than $330,607 in ransom from 670 victims, according to new research. The figures, published by security firm Imperva, are based on an analysis [PDF] of Bitcoin wallets linked to malware-wielding extortists. Security researchers discovered …
John Leyden, 9 Feb 2016

Senate asks DHS: you don't negotiate with terrorists, but do you pay off ransomware?

The US Senate Committee on Homeland Security and Governmental Affairs wants to know how secured government PCs are against ransomware, and whether any agencies have paid off hackers to unlock their files. In a pair of open letters to the Department of Homeland Security (DHS) and Attorney General Loretta Lynch, Senators Tom …
Shaun Nichols, 5 Dec 2015

Nuclear exploit kit seen chucking CryptoWall 4.0 at late patchers

The Nuclear exploit kit has been spotted throwing ransomware CryptoWall 4.0 at innocent netizens' machines, according to a security researcher Brad Duncan, who stated it is the first time he's noticed that particular nasty being distributed by an exploit kit. While not as vicious a beast as Angler, the Nuclear kit remains …

Thanks for playing: New Linux ransomware decrypted, pwns itself

Ransomware targeting Linux servers has been thwarted by hard working security boffins, with help from the software itself, mere days after its existence was made public. The Linux.Encoder.1 ransomware seeks Linux systems to encrypt and like others of its ilk demands owners pay BitCoins to have files decrypted. But the first …
Darren Pauli, 12 Nov 2015

Cryptowall 4.0: Update makes world's worst ransomware worse still

The fourth iteration of the world's worst ransomware Cryptowall has surfaced with gnarlier encryption tactics and better evasion tricks that have fooled current antivirus platforms. Ransomware has ripped through scores of businesses and end-user machines in sporadic and targeted attacks that have cost victims millions of …
Darren Pauli, 9 Nov 2015

Top QLD sex shop cops Cryptowall lock; cops flop as state biz popped

Cryptowall attackers are smashing businesses in the Australian state of Queensland, according to the owner of a Townsville sex shop which has paid $1,058 to ransomware attackers to have its files unlocked. The third iteration of the dangerous ransomware hit Sweethearts, which describes itself as Queensland's oldest sex shop, …
Darren Pauli, 22 Sep 2015

Yahoo! website! ads! spaff! CryptoWall! ransomware! AGAIN!

Yahoo! has been used to spread ransomware to Windows PCs almost exactly a year after the previous big outbreak. Adverts served on the Yahoo! homepage as well as the Yahoo! News, Sports, Celebrity, Finance, and Games websites, quietly loaded a script that ultimately exploited holes in Adobe Flash to infect vulnerable systems, …
Shaun Nichols, 4 Aug 2015

Feds count Cryptowall cost: $18 million says FBI

Cryptowall authors have wrought some US$18 million in damages on US users and businesses alone, according to the FBI. The Cryptolocker-imitation ransomware family has etched itself as one of the most prolific and capable since it was first detected in April 2014. Global damage reported to the US agency are likely considerably …
Darren Pauli, 24 Jun 2015

Poison résumé attack gives ransomware a gig on the desktop

Security researchers are focussing their crosshairs on what appears to be high-volume spam and exploit campaigns to deliver the latest iteration of the Cryptowall ransomware. Boffins from the SANS Institute, Cisco, and MalwareBytes have identified a dangerous if goofy spam campaign slinging the nasty ransomware masquerading as …
Darren Pauli, 12 Jun 2015

Bad romance: Ransomware, exploit kits in criminal cuddle

The lowlifes behind the Cryptowall ransomware seem to have decided it's no longer worth developing their own exploit kits. Instead, according to analysis by Cisco, they're relying on other popular exploits to distribute the malware. The ransomware was considered one of the most effective ransomware offerings that encrypted a …
Darren Pauli, 10 Feb 2015
Pic: Shutterstock

Cryptowall's ransomware's tough layers peeled

Cryptowall's 2.0 incarnation is hidden in a tough shell crafted by developers paranoid about the security research community, technical analysis reveals. The ransomware has matured much since it emerged last year, encrypting victims' files and demanding money for the supply of a decryption key. It's superior design lead to …
Darren Pauli, 8 Jan 2015
Zombies, credit: Wikimedia from Night of The Living Dead

Ad-borne Cryptowall ransomware is set to claim FRESH VICTIMS

Security watchers are warning of a surge in CryptoWall ransomware victims this month that will coincide with a campaign to spread a new variant of the malware though advertising networks. More than 830,000 victims worldwide have been infected with the malware, a 25 per cent increase in infections since late August when there …
John Leyden, 23 Oct 2014
Cryptowall ransomware notice

KER-CHING! CryptoWall ransomware scam rakes in $1 MEEELLION

Victims of the CryptoWall ransomware have been extorted out of at least $1m. Despite a takedown operation in June, CryptoWall continues to be the largest and most destructive ransomware threat on the internet, according to the latest analysis of the threat by security researchers from Dell SecureWorks Counter Threat Unit. …
John Leyden, 29 Aug 2014
An alternative Yahoo! logo, courtesy of a Flickr user

CryptoWall! crooks! 'turn! to! Yahoo! ads! to! spread! ransomware!'

Crooks are using Yahoo!'s advertising network to infect PCs with the CryptoWall ransomware, it's claimed. Windows software nasty CryptoWall encrypts a victim's files using an OpenSSL-generated key pair before demanding a ransom to decrypt the data. It communicates with its masters using RC4-encrypted messages to command …
John Leyden, 11 Aug 2014
Cryptowall sucks kid

Bitcoin ransomware racket makes bank

Criminals appear to be pocketing hundreds of thousands of dollars with upgraded Cryptowall ransomware that has encrypted scores of hard drives across Britain, America and Australia demanding victims pay hefty Bitcoin ransoms. The ransomware was foisted on victims through sneaky malvertising through unsuspecting big ticket …
Darren Pauli, 10 Jun 2014

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