Incidents

Malicious ads on security websites

Perhaps the worst possible scenario is when a bank website is hosting malicious ads: you never know what can be installed and when on your computer if you click on the ad banners.

Something similar happens with security websites hosting malicious ads. They are supposed to be for security information. The people browsing such sites trust the content to be safe, but in actual fact because of the ad banners the resources may be anything but trustworthy.

The site above was found by looking for antivirus protection and reviews. The banner to the right of the screenshot leads to a malicious app, which is basically a rogue optimizer, forcing the final user to pay for activation. So what is actually going on here? Basically, while looking for security and protection the end user may end up with a nasty infection and lose money by paying for rogue apps. The scheme used here is the same as in Fake AV attacks – “detecting” things you even don’t have in your file system and then asking for money to cure them.

If you want to check AV reviews, it’s better to visit well-known, trusted resources like
av-comparatives.org, av-test.org and virusbtn.com

Kaspersky Anti-Virus detects the threat mentioned above as Trojan-FakeAV.Win32.ErrorFix.

Malicious ads on security websites

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Reports

APT trends report Q3 2021

The APT trends reports are based on our threat intelligence research and provide a representative snapshot of what we have discussed in greater detail in our private APT reports. This is our latest installment, focusing on activities that we observed during Q3 2021.

Lyceum group reborn

According to older public researches, Lyceum conducted operations against organizations in the energy and telecommunications sectors across the Middle East. In 2021, we have been able to identify a new cluster of the group’s activity, focused on two entities in Tunisia.

GhostEmperor: From ProxyLogon to kernel mode

While investigating a recent rise of attacks against Exchange servers, we noticed a recurring cluster of activity that appeared in several distinct compromised networks. With a long-standing operation, high profile victims, advanced toolset and no affinity to a known threat actor, we decided to dub the cluster GhostEmperor.

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