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The Week in Ransomware - October 19th 2018 - GandCrab, Birbware, and More

It has been another slow week, with mostly new variants of existing ransomware being released. The biggest news is that the GandCrab Ransomware developers have decided to release the decryption keys for Syrian victims. [...]

https://www.bleepingcomputer.com/news/security/the-week-in-ransomware-october-19th-2018-gandcrab-birbware-and-more/
Kraken Cryptor Ransomware Connecting to BleepingComputer During Encryption

Over the weekend, the Kraken Cryptor Ransomware released version 2.0.6, which now connects to BleepingComputer during different stages of their encryption process. It is not known what they are trying to achieve by doing this, but it does provide BleepingComputer with insight into the amount of its victims. [...]

https://www.bleepingcomputer.com/news/security/kraken-cryptor-ransomware-connecting-to-bleepingcomputer-during-encryption/
Remote Code Execution Flaws Found in Popular OS Powering Embedded Systems

FreeRTOS, the open-source operating system that powers most of the small microprocessors and microcontrollers in smart homes and critical infrastructure systems has 13 vulnerabilities, a third of them allowing remote code execution. [...]

https://www.bleepingcomputer.com/news/security/remote-code-execution-flaws-found-in-popular-os-powering-embedded-systems/
Libssh CVE-2018-10933 Scanners & Exploits Released - Apply Updates Now

Last week a vulnerability was disclosed regarding a ridiculously easy authentication bypass vulnerability in libssh. Since then, multiple tools and scripts have been released that allow attackers to remotely exploit this vulnerability in order to remotely execute commands on vulnerable devices. [...]

https://www.bleepingcomputer.com/news/security/libssh-cve-2018-10933-scanners-and-exploits-released-apply-updates-now/
Skype Preview for Windows 10 is Getting Split View Mode

Microsoft is currently working hard to update the new modern Skype 8 with all necessary features as the company plans to end support for Skype Classic on November 1. Today, Microsoft announced that the Split View mode is now available in Skype preview for Windows 10. [...]

https://www.bleepingcomputer.com/news/microsoft/skype-preview-for-windows-10-is-getting-split-view-mode/
Firefox Targeting Competing VPN Sites With ProtonVPN Offer in New Test

Mozilla has announced a study where Firefox will promote the ProtonVPN service as a new revenue source. BleepingComputer was able to gain access to the study's extension and it appears that the ProtonVPN will be recommended when visiting competing VPN providers, streaming services, or when connecting to insecure wireless gateways. [...]

https://www.bleepingcomputer.com/news/software/firefox-targeting-competing-vpn-sites-with-protonvpn-offer-in-new-test/
Critical Infrastructure & Supply Chain Remain Highly Vulnerable to Attacks

Additionally, cybercriminals have been targeting the commercial sector with as much aggression and skill as their attacks against the government. Unfortunately, some attacks against the government. Unfortunately, some attacks against corporations have national security ramifications, a fact not yet fully realized by all businesses. [...]

https://www.bleepingcomputer.com/news/security/critical-infrastructure-and-supply-chain-remain-highly-vulnerable-to-attacks/
Windows 10 Build 18267 Released With a New Enhanced Mode for Search Indexer

Microsoft has released the Windows 10 Insider Preview Build 18267 (19H1) to insiders in both the Fast and Skip Ahead rings. This build contains input and accessibility improvements. It also contains a new feature called "Enhanced Mode" for the Search Indexer. [...]

https://www.bleepingcomputer.com/news/microsoft/windows-10-build-18267-released-with-a-new-enhanced-mode-for-search-indexer/
Unusual Remote Execution Bug in Cisco WebEx Discovered by Researchers

While remote code execution vulnerabilities are pretty common, a new one discovered in Cisco's WebEx online and video collaboration software is definitely different. That is because users can remotely execute commands through a component of the WebEx client even when WebEx does not listen for remote connections. [...]

https://www.bleepingcomputer.com/news/security/unusual-remote-execution-bug-in-cisco-webex-discovered-by-researchers/
Windows 10 KB4462933 Cumulative Update Released With Fixes and Improvements

Windows 10 Build 17134.376 is currently rolling out via Windows Update or you can download the patch directly from Microsoft's Update Catalog website. Windows 10 Build 17134.376 comes with a huge changelog and it includes several improvements that you may not notice.  [...]

https://www.bleepingcomputer.com/news/microsoft/windows-10-kb4462933-cumulative-update-released-with-fixes-and-improvements/
Malware Distributors Adopt DKIM to Bypass Mail Filters

A US-CERT alert provided recommendations on how businesses can mitigate their exposure to the Emotet Trojan. Unfortunately, it looks like criminals also reading the US-CERT's warnings as they have adopted new techniques to bypass these recommendations. [...]

https://www.bleepingcomputer.com/news/security/malware-distributors-adopt-dkim-to-bypass-mail-filters/