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A week in security (February 15 – February 21)

Last week on Malwarebytes Labs, the spotlight fell on the State of Malware 2021 report, wherein we have seen cyberthreats evolve. We also touched on ransomware, such as Egregor and a tactic known as Remote Desktop Protocol (RDP) brute forcing that has long been part of the ransomware operators’ toolkit; insider threats, such as what Yandex recently experienced with one of its own … [Read more...]

Cryptojacking in the post-Coinhive era

September 2017 is widely recognized as the month in which the phenomenon that became cryptojacking began. The idea that website owners could monetize their traffic by having visitors mine for cryptocurrencies in their browser was not new, but this time around it became mainstream, thanks to an entity known as Coinhive. The mining service became a household name overnight, and quickly drew ire … [Read more...]

JIGSAW changes its game to cryptojacking

An old friend has veered its ugly head. First mentioned in TechTalk in 2016, JIGSAW has made an appearance with a few updated tweaks. This old form of ransomware has been altered to steal Bitcoin by changing the addresses of wallets and sending the payments to the hacker’s account. JIGSAW was infamous for appearing on […] … [Read more...]

The new internet threat on the block: cryptojacking

A new type of malicious attack is worming its way across the internet and it is only going to get bigger. This threat is not designed to cripple systems like a DoS attacks, nor is it designed to hold you sensitive files hostage in exchange for payment as ransomware, though the threat is indeed all about making money. … [Read more...]

Hottest cybersecurity stories that shook the world in February

With so much cybersecurity news flying around, it is hard to keep track of the bigger stories that emerged. Here is the GFI security round-up of the three top cybersecurity stories of February 2018. … [Read more...]

Persistent drive-by cryptomining coming to a browser near you

Since our last blog on drive-by cryptomining, we are witnessing more and more cases of abuse involving the infamous Coinhive service that allows websites to use their visitors to mine the Monero cryptocurrency. Servers continue to get hacked with mining code, and plugins get hijacked and affect hundreds or even thousands of sites at once. One of the major drawbacks of web-based cryptomining we … [Read more...]