Ransomware– Not Only File Encryption

 
Ransomware is an ever-increasing threat worldwide, claiming new victims on a regular basis with no end in sight. While most ransomware families prevent the victims from accessing their documents, pictures, databases and other files by encrypting them and offering a decryption key in return for a ransom payment, others use different, but no less creative ways to extract payment from their victims. Here are some examples:    IoT ransomware Smart devices are known to be a soft spot targeted by threat actors for various purposes. In August 2016, security researchers demonstrated their ability to take control of a building’s thermostats and cause them to increase the temperature ...

Check Point Discloses Vulnerability that Allowed Hackers to Take over Hundreds of Millions of WhatsApp & Telegram Accounts

 
One of the most concerning revelations arising from the recent WikiLeaks publication is the possibility that government organizations can compromise WhatsApp, Telegram and other end-to-end encrypted chat applications. While this has yet to be proven, many end-users are concerned as WhatsApp and Telegram use end-to-end encryption to guarantee user privacy. This encryption is designed to ensure that only the people communicating can read the messages and nobody else in between. Nevertheless, this same mechanism has also been the origin of a new severe vulnerability we have discovered in both messaging services’ online platform – WhatsApp Web and Telegram Web. The online version of ...

Merry X-Mas Ransomware Decryption Tool

 
Merry X-Mas is a ransomware that was first spotted in the wild on January 3, 2017. Upon successful infection, the ransomware encrypts victims’ files and presents a “Merry Christmas” ransom note with a holiday-themed design and a demand for payment to regain access to the files. The malware was first distributed through a spam campaign which claimed to be from the Federal Trade Commission. When the victim clicked the link in the email, it caused a zipped file with the extension pdf.exe to download. Disguised as a legitimate PDF file, this was actually the Merry X-Mas dropper.   The malware’s second attack wave came a few days later on January 8, with a similar spam ...

Hancitor Makes First Appearance in Top Five ‘Most Wanted’ Malware in Check Point’s February Global Threat Impact Index

 
Hancitor has surged into the top five of our ‘most wanted’ malware families worldwide for the first time, according to the new February Global Threat Impact Index from our Threat Intelligence Research Team. The downloader, which installs malicious payloads such as Banking Trojans and ransomware on infected machines, climbed 22 places after more than tripling its global impact in the past month. Also known as Chanitor, Hancitor is usually delivered as a macro-enabled Office document in phishing emails with "important" messages such as voicemails, faxes or invoices. The index ranked Kelihos, a botnet used in spam campaigns, as the most prevalent malware family overall, with 12% of ...

Hummingbad Overtaken as Leading Mobile Malware in January’s Global Threat Impact Index

 
 Hummingbad has been overtaken as the leading mobile malware for the first time since February 2016, according to the new January Global Threat Impact Index from our Threat Intelligence Research Team. Hummingbad was replaced at the top of the ‘most wanted mobile malware’ by Triada, a modular backdoor for Android which grants super-user privileges to downloaded malware, as helps it to get embedded into system processes.  In total, mobile malware accounted for 9% of all recognized attacks while the Index ranked Kelihos, a botnet used in bitcoin theft, as the most prevalent malware family overall, with 5% of organizations globally being impacted by it. Overall the top 10 malware ...

Check Point Prevention at the Movies, Rogue One: Data Loss on a Galactic Scale

 
  The Client: The Galactic Empire   The situation: Security researchers at Check Point have attributed an attack on the client to a hacking group calling itself the “Rebel Alliance.” Researchers have identified the motive driving the attack was to exfiltrate the Empire’s intellectual property, specifically a file named “Stardust” containing the plans for a large weapons station or “Death Star.” This incident was consistent with a complex attack method which included data leakage by an insider, an exploit our researchers named DroidChanger targeting vulnerabilities in Internet of Droids or IoD devices, compromised physical security and insufficient access ...

Malware Takes a Christmas Break in December’s Global Threat Index

 
Global malware attacks decreased by 8% in December compared with the previous month, with the popular Locky ransomware recording a huge 81% decrease per week, according to the latest monthly Global Threat Index from Check Point’s Threat Intelligence Research Team. This isn’t an invitation to businesses to sit back and relax, however. Our team predicts that this lull really is due to malicious cybercriminals taking a Christmas break – and, following the same trends last year, when December recorded a 9% drop in the number of malware attacks worldwide, we expect attack volumes to bounce back in January.   The Global Threat Index tracks malware attacks against ...

Looking for a New Employee? Beware of a New Ransomware Campaign

 
Despite trying to brand itself as a new malware, GoldenEye, the latest Petya variant, is very similar to older versions and differs mostly in its “golden” motif. The most prominent change, however, is how the campaign spreads the ransomware. The current campaign used to distribute GoldenEye has a job application theme. It is therefore aimed at companies’ Human Resources departments, due to the fact they usually cannot avoid opening emails and attachments from strangers, a common malware infection method. HR-Targeted Ransomware The new campaign targets German speakers and mimics a job application. The email contains a brief message supposedly from a job applicant and ...

July’s Top 10 Most Wanted Malware

 
Check Point Software Technologies today revealed the number of active malware families decreased by 5 percent in July, as the company disclosed the most prevalent malware families attacking organizations’ networks in the month. During July, Check Point detected 2,300 unique and active malware families attacking business networks, a 5 percent increase compared to June, with Conficker remaining the most commonly used malware.  Despite the overall decrease in active malware the prevalence of mobile malware increased, accounting for 9 percent of active malware – up by 50 percent from June.  For the fourth consecutive month HummingBad remained the most commonly used malware to attack ...

Trust No One – A Cyberworld Survival Guide

 
Cybercriminals are professional scammers; their specialty is tricking users into helping them achieve their malicious goals. Attackers use many different tactics, including spam, phishing emails, and fake ads. In each case, the unsuspecting user plays an active role in his own victimization when he clicks a link or opens an attachment. Recently, an unconventional campaign emerged in the wild which exploits its victims via live phone interaction. The campaign targets users who make a typo when entering a URL,   wwwcnbccom instead of wwwcnbccom, for example) or click what turns out to be a malicious link. The users are redirected to a malicious site containing a JavaScript that activates ...