AppRiver Blog

Recent Posts by Troy Gill

Microsoft Issues Critical Patch

On May 14, 2019, Microsoft released a patch for a critical Remote Code Execution vulnerability dubbed CVE-2019-0708. The vulnerability exists in Windows XP, Windows 7, Windows Server 2003, Windows Server 2008 R2 and Windows Server 2008. The risk level associated with this vulnerability was great enough to prompt...

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Malware Hidden in Medical Images-Who's at Risk?

 

Research published last week by Cylera Labs outlines how an attacker could easily embed a functional executable containing malware into an equally functional DICOM image file.

This Proof of Concept has been generating some buzz as it places security and HIPAA compliance at odds.

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Netflix Phishing Attack Targets Portuguese Users

In the past 24 hours, AppRiver security analysts have seen a rash of emails attempting to fool Netflix account holders into believing their account has been suspended.

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GandCrab Ransomware Takes Aim At Your Inbox

Over the past several days AppRiver security specialists have been seeing early morning Ransomware campaigns targeting users.

The ransomware itself belongs to the GandCrab family and has been the most frequently distributed of its kind over the past year. And like most ransomware, it has the power to significantly...

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Bank of America Themed Emails Attempting to Spread Trickbot

On Jan 31, we noticed a large malware push posing as Bank of America that attempted to dupe users into opening an attachment. Opening the attachment would launch an infection chain that ultimately would lead to malware infection.

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WANTED: Your Office 365 Credentials

Here we go again - attackers are going "phishing" in search of user's Office 365 credentials. 

 In the past we have seen this sort of activity ramp up dramatically at many different points in time, and it is usually followed by a corresponding increase in attacks being launched from the compromised accounts.

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Emailed Bomb Threats Demanding Bitcoin

This morning we noticed a disturbing email campaign attempting to scare recipients into making a large payment in exchange for human life.

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Banking Trojan Takes Aim at UK Businesses

Just after 10 a.m. this morning UK businesses were targeted with an email campaign attempting to infect networks with the Trickbot Banking Trojan.

Utilizing a similar approach to what we have seen in the past, the messages were crafted to appear as legitimate “secure emails” from Lloyds Bank. This approach is one we...

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'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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