AppRiver Blog

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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Hurricane Scams Continue to Make Landfall

A little over two weeks ago we posted about the first Hurricane Harvey scam emails that appeared in our spam traps.  The hurricane scams continue to persist without showing any signs of slowing down soon.

Scammers are now using Harvey and Irma references or just a generic email to encompass any hurricane assistance efforts.

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Equifax Data Breach - 143 million Americans affected

Data Breach Image
 Equifax Breach Overview

While not the largest breach, it's one of the most severe because of the data compromised.  Equifax, Experian, and TransUnion compiles the most sensitive financial information and safeguards it.  No company is immune to an attack, however, this garnered 143 million...

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Harvey Scam email appears, more on the way

Harvey Scam Example

After every large news event or natural disaster we see the associated scam emails.  The first Harvey scam email we've seen showed up the afternoon of Aug. 30.  It is a bit surprising it took that long for it to appear, we've been watching closely.  Unfortunately many more scam emails and registered...

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Locky Ransomware Attacks Ramp Up

***UPDATE*** In the past 24 hours we have seen over 23 million messages sent in this attack, making it one of the largest malware campaigns that we have seen in the latter half of 2017.

Malicious email campaign

As many US workers were arriving to their offices, a massive malicious email campaign began attempting to reach...

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Social Engineering Attack Escalation

Attack Overview and Statistics

SANS Institute conducted a survey on how attackers were able to compromise user devices.  They found 74 percent entered via an email attachment or email links, 48 percent from web based drive-by or download, and 30 percent through application vulnerabilities.  Phishing (72 percent), spyware...

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Adwind RAT infestation is trending up

 

Malware as a service is exploding in popularity, this allows it to be distributed openly as a service by the creators. "Customers" pay a fee for the usage of the Trojan just as businesses would for cloud provided services.  This essentially allows anyone to purchase the Adwind Remote Access Trojan (RAT) for a small fee,...

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Ransomware Spreading via Malicious Java Script Files

 

Cybercriminals are nothing if not persistent. Part of that persistence comes in the form of reoccurring themes.

One of the most popular social engineering themes utilized in malware distribution over the past decade have come in the form of phony emails posing as a parcel delivery notifications. Think UPS, FEDEX, DHL or...

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OSX & Windows Trojans Targeting Switzerland

This morning a unique campaign targeting Macs has caught our attention. This attempt contained a .zip file carrying a Mac (OSX) trojan known as Aptordoc (OSX.Dok).

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Hancitor Picking Up Steam

The Hancitor (aka Chanitor & TorDal) malicious downloader has been picking up steam.

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