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New strain of Mac malware Proton found after two years

Last week, Kaspersky reported on a new variant of the Mac malware Proton, which they have dubbed Calisto, that has been around for at least two years. Calisto is thoroughly dead at this point, but there are still potential security implications involved with these older infections. Proton was first revealed to the world back in February 2017 via an Apple security update. It was later seen in the … [Read more...]

New Mac cryptominer uses XMRig

A new Mac cryptominer was discovered this week, after affected users saw their fans whirring out of control and a process named “mshelper” gobbling up CPU time like Cookie Monster. Fortunately, this malware is not very sophisticated and is easy to remove. The malware became public knowledge in a post on Apple’s discussion forums, where the “mshelper” process was found … [Read more...]

Seven security tips for staying safe on an iPhone

iPhones have a reputation for being notoriously secure. After all, they caused quite the kerfuffle between Apple and the FBI because they are, from the FBI’s point of view, too secure! However, don’t let that lull you into a false sense of security. Using an iPhone is not an automatic guarantee of invulnerability. The good news is that there are easy things to do to avoid causing … [Read more...]

New Crossrider variant installs configuration profiles on Macs

A new variant of the Crossrider adware has been spotted that is infecting Macs in a unique way. For the most part, this variant is still quite ordinary, doing some of the same old things that we’ve been seeing for years in Mac adware. However, the use of a configuration profile introduces a unique new method for maintaining persistence. Persistence is the goal of most malware. After all, … [Read more...]

CyberByte steals Malwarebytes’ intellectual property

At Malwarebytes, we frequently examine apps for detection as Potentially Unwanted Programs (PUPs). These are programs that exhibit a wide variety of bad behaviors, but aren’t actually outright malware. Unfortunately, there are many supposed antivirus programs that fit this category. Following user reports, we began researching a piece of software named CyberByte Antivirus to determine … [Read more...]

The state of Mac malware

Mac users are often told that they don’t need antivirus software, because there are no Mac viruses. However, this is not true at all, as Macs actually are affected by malware, and have been for most of their existence. Even the first well-known virus—Elk Cloner—affected Apple computers rather than MS-DOS computers. In 2018, the state of Mac malware has evolved, with more and more threats … [Read more...]

New Mac cryptominer has 23 older variants

On February 1, a new Mac cryptominer was discovered being distributed via a hack of the MacUpdate website. Since then, we’ve been doing some digging and found that this isolated incident was just the tip of the iceberg. The malware delivered by the MacUpdate hack appears to be the culmination of something that has been around since at least early October of last year. As we usually do when … [Read more...]

New Mac cryptominer distributed via a MacUpdate hack

Early this morning, security researcher Arnaud Abbati of SentinelOne tweeted about new Mac malware being distributed via MacUpdate. This malware, which Abbati has named OSX.CreativeUpdate, is a new cryptocurrency miner, designed to sit in the background and use your computer’s CPU to mine the Monero currency. The malware was spread via hack of the MacUpdate site, which was distributing … [Read more...]

Can You Run a VM from an External Drive?

At a recent conference for Mac® IT admins, I was asked, “Can you run a VM from an external drive?” Short answer: “Yes, absolutely. I do this all the time.” Longer answer: You have always been able to run a Parallels Desktop® for Mac virtual machine from an external drive. In Parallels Desktop 13, this [...] The post Can You Run a VM from an External Drive? appeared first on Parallels Blog. … [Read more...]

Interesting disguise employed by new Mac malware HiddenLotus

On November 30, Apple silently added a signature to the macOS XProtect anti-malware system for something called OSX.HiddenLotus.A. It was a mystery what HiddenLotus was until, later that same day, Arnaud Abbati found the sample and shared it with other security researchers on Twitter. The HiddenLotus “dropper” is an application named Lê Thu Hà (HAEDC).pdf, using an old trick of … [Read more...]