AppRiver Trojan Protection

Trojan Droppers Exploiting Symbolic Link Files

Malicious actors routinely attempt to confuse recipients of messages with obscure file extensions to load malicious files on the victims machine.

For most users the .slk file is recognized in Microsoft Office software as an Excel file. However, as detailed here, it also is recognized by other applications among various hardware and mobile platforms. They are designed to link data between spreadsheets and databases. Similar to Excel .xls/.xlsx files, these .slk files also support the ability to execute malicious commands.

Fortunately with this attack vector, the user receives quite a few warnings that should set off red flags before the infection begins. However, few anti-virus engines are catching these attacks.

This blog steps thru the chain of infection for one of these malicious .slk trojan droppers and details what users should watch out for.

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Mailbox Bomb Image

Email Bombs Increasing in Frequency

Email bombs in the cyber-security industry are classified as a form of a Denial of Service (DoS) attack. The victim faces an insurmountable volume of messages quickly filling up their mailbox when this attack commences. With enough volume, this effectively renders their email box useless. Victims attempt to make sense why an avalanche of messages suddenly are filling up their account, however, this is no accident.

Motives for the attack vary from revenge to financial fraud.  As mentioned in our 2017 Global Security Report DSD section, they are usually to disguise some type of fraudulent activity taking place while the storm of emails distract.  Fraudulent activity observed during these attacks range anywhere from unauthorized Russian airline ticket purchases to Apple store orders.

We recommend customers monitor their financial and retail accounts for any suspicious activity first, then contact us for assistance in mitigation. 

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AppRiver has been named a finalist in the Customer Service Department of the Year – Computer Software category in the 12th annual Stevie Awards for Sales & Customer Service, and will ultimately be a Gold, Silver, or Bronze Stevie Award winner in the program.

The awards are presented by the Stevie Awards, which organizes several of the world’s leading business awards shows including the prestigious International Business Awards® and the Stevie Awards for Great Employers.

People’s Choice Stevie Awards

Now we are seeking your votes to help us bring home the People’s Choice Award.

To vote for AppRiver in the People’s Choice Stevie Awards for Favorite Customer Service, click the button above or visit http://peopleschoice.stevieawards.com and enter code: R420Y.

Details about the Stevie Awards for Sales & Customer Service and the list of Finalists in all categories are available at www.StevieAwards.com/Sales.

 

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