Ransomware Delivered by 97% of Phishing Emails by End of Q3 2016 Supporting Booming Cybercrime Industry

LEESBURG, VA --- PhishMe Inc. released findings that show the amount of phishing emails containing a form of ransomware grew to 97.25 percent during the third quarter of 2016 up from 92 percent in Q1. Remaining at the forefront is the Locky encryption ransomware, which has introduced a number of techniques to resist detection during the infection process.

PhishMe’s Q3 2016 Malware Review identified three major trends previously recorded throughout 2016, but have come to full fruition in the last few months:
•Locky continues to dominate: While numerous encryption ransomware varieties have been identified in 2016, Locky has demonstrated adaptability and longevity
•Ransomware encryption: The proportion of phishing emails analyzed that delivered some form of ransomware has grown to 97.25 percent, leaving only 2.75 percent of phishing emails to deliver all other forms of malware utilities
•Increase in deployment of ‘quiet malware’: PhishMe identified an increase in the deployment of remote access Trojan malware like jRAT, suggesting that these threat actors intend to remain within their victims’ networks for a long time

During the third quarter of 2016, PhishMe Intelligence conducted 689 malware analyses, showing a significant increase over the 559 analyses conducted during Q2 2016. Research reveals that the increase is due, in large part, to the consistent deployment of the Locky encryption ransomware. Locky executables were the most commonly-identified file type during the third quarter, with threat actors constantly evolving the ransomware to focus on keeping this malware’s delivery process as effective as possible.

While ransomware dominates the headlines, PhishMe’s Q3 Malware Review reveals that other forms of malicious software delivered using remote access Trojans, keyloggers and botnets still represent a significant hazard in 2016. Unlike ransomware, so-called ‘quiet malware’ is designed to avoid detection while maintaining a presence within the affected organization for extended periods of time. While only 2.75 percent of phishing emails delivered non-ransomware malware, the diversity of unique malware samples delivered by these emails far exceeded that of the more numerous ransomware delivery campaigns.

http://phishme.com
 

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