CSW discovers a new zero day in ZOHO CRM Lead Magnet!

Ransomware Blogs

Stay tuned with the latest news and updates from cyber security ecosystem.

Posted on 15th Sep, 2021 | By Surojoy Gupta 4 minutes

Microsoft Exchange ProxyShell and Windows PetitPotam vulnerabilities chained in New Attack

The newly minted LockFile ransomware group has been actively exploiting the Microsoft Exchange ProxyShell vulnerabilities since early August. In a recent attack, they chained a faultily-patched PetitPotam vulnerability with the ProxyShell vulnerabilities to take over and encrypt Windows domains and spread their ransomware through target networks. Read our analysis of the vulnerabilities to understand how you can protect yourself from a potential ransomware attack.

Read More

Posted on 19th Aug, 2021 | By Sumeetha, Surojoy 4 minutes

CSW Analysis: Accenture attacked by LockBit 2.0 Ransomware

On Aug 11, 2021, Accenture, a multinational IT Consulting and Services company, became the latest victim of LockBit 2.0 Ransomware. Our researchers investigated the vulnerabilities that LockBit exploits to compromise their targets and here is our analysis.

Read More

Posted on 12th Jul, 2021 | By Surojoy Gupta 4 minutes

Kaseya VSA Downed by REvil in Monumental Supply-Chain Attack

REvil's monumental supply-chain attack on 3 July 2021 affected 1500 companies and opened a path for third-party attack onslaughts. What else does REvil’s historic supply-chain attack portend?

Read More

Posted on 7th Jul, 2021 | By Priya Ravindran 3 minutes

Is Conti Ransomware on a roll?

The Conti group is associated with three vulnerabilities. If these had taken precedence in the CVE patching priority, the series of Conti attacks could have been avoided.

Read More

Posted on 30th Jun, 2021 | By Priya Ravindran 3 minutes

Darkside Ransomware: Further Threat Associations Unearthed

Darkside Ransomware has added two more CVEs to its arsenal alongside two additional APT group associations. Check out our analysis and patch these vulnerabilities before they strike again!

Read More

Posted on 16th Jun, 2021 | By Sumeetha Manikandan 4 minutes

REvil Brings Down JBS - the World’s Largest Meat Packer

REvil Ransomware uses six vulnerabilities to target their victims and if these had been remediated and patched on priority, JBS - the world’s largest meat packer could have escaped this attack. CSW warned about these vulnerabilities in its Ransomware Spotlight Report published in February 2021.

Read More

Posted on 11th Jun, 2021 | By Priya Ravindran 3 minutes

All About Qlocker

Researchers at Cyber Security Works (CSW) have been tracking Qlocker, a recently discovered ransomware family. This new strain began surfacing across QNAP devices in April 2021 exploiting CVE-2021-28799, a zero-day vulnerability.

Read More

Posted on 4th Jun, 2021 | By Priya Ravindran 5 minutes

FiveHands Ransomware Analysis: Can a Risk-Based Approach Help Prevent Future Attacks?

Early this year, threat actors exploited a vulnerability (CVE-2021-20016) even before the vendor could publish it on the National Vulnerability Database (NVD) and attacked an organization and stole information.

Read More

Posted on 18th May, 2021 | By Sumeetha 3 Minutes

Darkside: The Ransomware that brought a US pipeline to a halt

As of today our research has associated 260 vulnerabilities to ransomware. Remediating and patching these vulnerabilities on priority could have averted the Colonial Pipeline attack.

Read More

Posted on 26th Apr, 2021 | By Sumeetha 3 minutes

Why 'Old is Gold' for Ransomware?

In our recently published Ransomware Spotlight report 2020 we tracked down vulnerabilities that are being used by Ransomware to launch attacks on organizations worldwide. Here are a few surprising findings about old vulnerabilities in this report

Read More

Posted on 16th Apr, 2021 | By Pavithra Shankar 7 minutes

All about Ryuk

Ryuk is a crypto-ransomware strain that encrypts access to a system, device or a file and demands ransom to release it. Ryuk is unleashed on target assets through malware, notably TrickBot and is used to gain access to a system through remote desktop services.

Read More

Posted on 2nd Nov, 2020 | By Sumeetha 5 Minutes

Ryuk raising the Temperature in Healthcare

Security Agencies CISA (Cybersecurity and Infrastructure Security Agency), FBI, and the Department of Health and Human Services (HHS) have issued a high alert joint security advisory to hospitals to take actions to secure themselves from Ryuk ransomware in particular.

Read More

Posted on 15th Oct, 2020 | By Sumeetha 5 Minutes

Cyber Hygiene: Ransomware is causing critical care disruption in hospitals

We analyzed three ransomware incidents (Ryuk, Revil & AKO) and found 16 CVEs associated with them. Incidentally, CSW warned about five of these CVEs in our cyber risk series way back in March 2020!

Read More

Posted on 29th Sep, 2020 | By Sumeetha 3 Minutes

Our warning in 2020 was ignored: Lack of Cyber Hygiene is amplifying Ransomware attacks and causing havoc

Ransomware campaigns are always on prowl for a path of least resistance to gain initial access and move laterally using well known vulnerabilities.

Read More