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Coronavirus Bitcoin scam promises “millions” working from home

In the last week, we’ve seen multiple coronavirus scams pushed by bad actors, including RAT attacks via fake health advisories, bogus e-books working in tandem with Trojans, and lots of other phishing shenanigans. Now we have another one to add to the ever-growing list: dubious coronavirus Bitcoin missives landing in your inbox. Reworking a classic spam tactic This is a retooling of an older spam … [Read more...]

Threat spotlight: RobbinHood ransomware takes the driver’s seat

Despite their name, the RobbinHood cybercriminal gang is not stealing from the rich to give to the poor. Instead, these ransomware developers are more like big game hunters—attacking enterprise organizations and critical infrastructure and keeping all the spoils for themselves. In 2019, the RobbinHood ransomware creators successfully attacked and received ransom payouts from the cities of … [Read more...]

Sextortion scammers getting creative

We’ve covered sextortion before, focusing in on how the core of the threat is an exercise in trust. The threat actor behind the campaign will use whatever information available on the target that causes them to trust that the threat actor does indeed have incriminating information on them. (They don’t.) But as public awareness of the scam grows, threat actors have to pivot to less … [Read more...]

The lucrative business of Bitcoin sextortion scams

After a quiet period following a surge in late 2018 to early 2019, the online blackmail scheme known as sextortion scams are back on the radar and on the uptick. According to a report from Digital Shadows, a leading UK-based cybersecurity company that monitors potential threats against businesses, there are several resources available to embolden novice criminals to a life of extortion. These … [Read more...]

A week in security (August 5 – 11)

Last week on Malwarebytes Labs, we explained how brain-machine interface (BMI) technology could usher in a world of Internet of Thoughts, why having backdoors is problematic, and how we can improve the security of our smart homes. To cap off Hacker Summer Camp week, the Labs team released a special ransomware edition of its quarterly cybercrime tactics and techniques report, which you can … [Read more...]

A week in security (July 1 – 7)

Last week on Malwarebytes Labs, we explained what to do when you find stalkerware, how cooperating apps and automatic permissions are setting you up for failure, and why you should steer clear of Bitcoin Cash generators. Other cybersecurity news: A former Chief Information Officer (CIO) of Equifax has been issued a prison sentence for insider trading on the firm’s disastrous data … [Read more...]

Steer clear of Bitcoin Cash generators

Here’s an interesting evolution on a well-worn scam, taking one profit generating fakeout and turning it into something else entirely. For years, gamers have been stuck navigating the treacherous waters of fake video game giveaways. With so many actual genuine gaming giveaways around, you’re never quite sure if a site offering free Xbox points, or Steam credits, or downloadable content, is going … [Read more...]

Vital infrastructure: Threats target financial institutions, fintech, and cryptocurrencies

With news of a malware attack on accounting firm Wolters Kluwer causing a “quiet panic” in the accounting world this week, our assertion that financial institutions—from banks to brokers—are part of the vital infrastructure of society has been solidified. According to its website, Wolters Kluwer provides software and services to all of the top 100 accounting firms in the United … [Read more...]

Wall Street Market reported to have exit scammed

Around April 20, many users reported that Wall Street Market, a broadly known dark net market, had executed an exit scam, and that any pending orders were unlikely to be completed. Scamming with enterprises involving Bitcoin is not unheard of, and dark net markets with centralized escrow are particularly vulnerable. As these markets grow in popularity and amass large amounts of transactions, … [Read more...]

Electrum Bitcoin wallets under siege

By Adam Thomas, with additional contributions from Jérôme Segura, Vasilios Hioueras and S!Ri Since at least late December 2018, many users of the popular Electrum Bitcoin wallet have fallen victim to a series of phishing attacks, which we estimate netted crooks well over 771 Bitcoins—an amount equivalent to approximately $4 million USD at current exchange rates. Threat actors were able to … [Read more...]