AppRiver Blog

Recent Posts by Troy Gill

'Ammyy Admin' RAT Leveraged in Massive Malware Campaign

Late yesterday, while most people were just settling back into their desk after lunch… a large botnet [Necurs] began pumping out a massive malware campaign targeting millions of businesses and individuals. After the dust had settled, we had quarantined just over 25 million of these email-based attacks. This campaign had...

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Malware Campaign Targets Banking Institutions

 

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HMRC-themed emails carry Trickbot infection

A cybercrime group is currently targeting businesses in the UK with malware-laden emails containing the banking Trojan known as Trickbot.

In the past years, several malware families have been seen heavily targeting the UK in attempts to spread banking Trojans looking to gain access to business and personal accounts.

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Phony HSBC Emails Carry Spyware Infection

Today we are seeing a malware push from the Necurs botnet attempting to distribute a Spyware Trojan via the Hancitor downloader. The malicious email campaign is somewhat cleverly disguised as an encrypted email from HSBC Financial.

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Attackers Leverage Stolen Email Credentials In Malware Attacks

Throughout 2017 we observed a major increase in phishing efforts, reaching peak levels over the summer, and this trend has continued to intensify in 2018. Much of this effort was expertly tailored to gather users’ login credentials to their preferred email provider. Ultimately attempting to compromise Office365, Gmail, ...

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As Tax Season Looms, CPA Firms Targeted with Advanced Malware

As the 2018 tax season gets underway, we want to make sure everyone is aware of the many dangers we see surrounding this event each year.

In fact, curiosity and uncertainty surrounding recent tax law changes may leave many individuals more susceptible to falling victim to one of the many tax-themed attacks that we...

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Malware Distributors Target Online Holiday Shoppers

 

 

 

 

 

 

As online holiday shopping gets into full swing we are on the lookout for holiday related threats that we should all be wary of.

It’s likely that FedEx alone will deliver hundreds of millions of packages between Black Friday and Christmas Day. And with so many people expecting packages to be delivered at this...

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New Ransomware Variant Abusing DDE Functionality in Office Documents

This morning we began seeing a large volume of messages that ultimately lead to the install of the “Asasin” ransomware, aptly named after the naming convention used when encrypting the user’s files. We have been seeing this Ransomware type for about a week now but it is now relying on a new infection technique.

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Malware Activity Heating Up

In September, the number of emails containing malware reached their highest levels thus far in 2017, as seen by our filters. So far, October is shaping up to continue that trend.

We have been monitoring this activity closely.

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Watch for malicious scams in wake of Las Vegas shooting

All of us at AppRiver are grieving for the heinous act that took place Sunday night in Las Vegas. And while the tragedy will get its fair share of media attention in coming weeks, we want to sound a warning bell before people are taken advantage of.

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