Malwarebytes

AUGUST 3, 2022

The used lure is in Russian is called “ Information security memo ” which provide security practices for passwords, confidential information, etc. The threat actor has left some debugging information including a pdb path from which we derived and picked a name for this new Rat: Debug Information.

Malware 113

Malware Encryption Antivirus Architecture 113

Security Affairs

JANUARY 30, 2024

Kroll researchers reported that the ransomware strain outstands for the use of encryption to protect the ransomware binary. Once the malware has escalated the privileges on a machine, the threat actors use a batch script to uninstall popular antivirus solutions installed on the machine.

Ransomware 130

Ransomware Hacking Data breaches Digital transformation 130

Security Affairs

JUNE 11, 2021

Experts spotted a new mysterious malware that was used to collect a huge amount of data, including sensitive files, credentials, and cookies. Threat actors used custom malware to steal data from 3.2 NordLocker experts speculate the malware campaign leveraged tainted Adobe Photoshop versions, pirated games, and Windows cracking tools.

Malware 116

Malware Computers and Electronics Software Financial Services 116

Security Affairs

MAY 25, 2020

Ransomware encrypts from virtual machines to evade antivirus. Ragnar Locker deploys Windows XP virtual machines to encrypt victim’s files, the trick allows to evaded detection from security software. Mounting all the shared drives to encrypt. Custom Ragnar Locker ransom note (Source: Sophos).

Encryption 105

Encryption Ransomware Energy and Utilities Advertising 105

Security Affairs

AUGUST 31, 2022

A malware campaign tracked as GO#WEBBFUSCATOR used an image taken from NASA’s James Webb Space Telescope (JWST) as a lure. Securonix Threat researchers uncovered a persistent Golang-based malware campaign tracked as GO#WEBBFUSCATOR that leveraged the deep field image taken from the James Webb telescope. Pierluigi Paganini.

Malware 88

Malware DNS Antivirus Encryption 88

Security Affairs

FEBRUARY 19, 2024

[link] pic.twitter.com/z91nfnGYAQ — Dominic Alvieri (@AlvieriD) February 19, 2024 The Cactus ransomware operation has been active since March 2023, Kroll researchers reported that the ransomware strain is notable for the use of encryption to protect the ransomware binary.

Ransomware 109

Ransomware Digital transformation Retail Antivirus 109

Security Affairs

DECEMBER 19, 2022

The main reasons to rewrite malware in Rust is to have lower AV detection rates, compared to malware written in most common languages, and to target multiple architectures. ” Upon executing the malware, the Rust binary prompts an error requiring a password to be passed as an argument. SecurityAffairs – hacking, malware).

Ransomware 130

Ransomware Encryption Healthcare Education 130

Security Affairs

AUGUST 26, 2019

A new ransomware, called Nemty ransomware, has been discovered over the weekend by malware researchers. The name of the ransomware comes after the extension it adds to the encrypted file names, the malicious code also deletes their shadow copies to make in impossible any recovery procedure. ” continues BleepingComputer.

Ransomware 96

Ransomware Malware Antivirus Encryption 96

Security Affairs

MAY 4, 2022

The security researcher John Page aka ( hyp3rlinx ) discovered that malware from multiple ransomware operations, including Conti , REvil , LockBit , AvosLocker , and Black Basta, are affected by flaws that could be exploited block file encryption. “Conti looks for and executes DLLs in its current directory.

Ransomware 106

Ransomware Antivirus Malware Encryption 106

Security Affairs

JANUARY 6, 2023

Antivirus firm Bitdefender released a decryptor for the MegaCortex ransomware allowing its victims to restore their data for free. Antivirus firm Bitdefender released a decryptor for the MegaCortex ransomware , which can allow victims of the group to restore their data for free. The group typically asked ransoms between $20,000 to $5.8

Ransomware 97

Ransomware Antivirus Encryption Backups 97

Security Affairs

DECEMBER 18, 2023

Info stealers, the type of malware with its purpose in the name, can cripple businesses and everyday users alike. Info stealers, also known as information stealers, are a type of malicious software (malware) designed to covertly collect sensitive and personal information from a victim’s computer or network.

Banking 119

Banking Cybercrime Malware Accountability 119

Security Affairs

JULY 8, 2022

The security firm states that the AstraLocker decryptor works for ransomware versions based on the Babuk malware that appends the.Astra or.babyk extensions to the name of the encrypted files. “Be sure to quarantine the malware from your system first, or it may repeatedly lock your system or encrypt files.

Ransomware 126

Ransomware Encryption Malware Accountability 126

Security Affairs

MARCH 13, 2021

Kaspersky researchers spotted a new variant of the XCSSET Mac malware that compiled for devices running on Apple M1 chips. The malware also allows attackers to capture screenshots and exfiltrate stolen documents to the attackers’ server. Recently experts spotted other malware specifically designed to infect Mac running on M1 chips.

Malware 108

Malware Adware Architecture Antivirus 108

Security Affairs

MARCH 3, 2023

“FBI and CISA believe this variant, which uses its own custom-made file encryption program, evolved from earlier iterations that used “Zeon” as a loader.” The Royal ransomware can either fully or partially encrypt a file depending on its size and the ‘-ep’ parameter. ” reads the alert. ” continues the alert.

Ransomware 94

Ransomware Healthcare Antivirus Encryption 94

Security Affairs

FEBRUARY 28, 2023

Antivirus company Bitdefender has released a free decryptor for the recently discovered ransomware family MortalKombat. Good news for the victims of the recently discovered MortalKombat ransomware , the antivirus firm Bitdefender has released a free decryptor that will allow them to recover their file without paying the ransom.

Ransomware 94

Ransomware Antivirus Backups Malware 94

Malwarebytes

AUGUST 3, 2022

The used lure is in Russian is called " Information security memo " which provide security practices for passwords, confidential information, etc. The threat actor has left some debugging information including a pdb path from which we derived and picked a name for this new Rat: Debug Information.

Malware 65

Malware Encryption Antivirus Architecture 65

Security Affairs

OCTOBER 13, 2023

The AvosLocker ransomware-as-a-service emerged in the threat landscape in September 2021, since January the group expanded its targets by implementing support for encrypting Linux systems, specifically VMware ESXi servers. bat) scripts [T1059.003] for lateral movement, privilege escalation, and disabling antivirus software.

Ransomware 119

Ransomware System Administration Antivirus Malware 119

Security Affairs

NOVEMBER 19, 2022

Researchers from the Microsoft Security Threat Intelligence team warned that a threat actor, tracked as DEV-0569, is using Google Ads to distribute various payloads, including the recently discovered Royal ransomware. The downloader, tracked as BATLOADER , shares similarities with another malware called ZLoader.

Ransomware 135

Ransomware Malware Antivirus Phishing 135

Security Affairs

MAY 11, 2021

“The Australian Cyber Security Centre (ACSC) is aware an ongoing ransomware campaign utilising the Avaddon Ransomware malware. The ACSC also provided the following recommendations: Patch operating systems and applications, and keep antivirus signatures up to date. ” reads the alert published by ACSC.

Ransomware 129

Ransomware Backups Antivirus DDOS 129

Security Affairs

MARCH 19, 2022

“As a result, AvosLocker indicators of compromise (IOCs) vary between indicators specific to AvosLocker malware and indicators specific to the individual affiliate responsible for the intrusion.” Install and regularly update antivirus software on all hosts, and enable real time detection. ransomware and phishing scams).

Ransomware 103

Ransomware DDOS Passwords Backups 103

Security Affairs

MAY 9, 2023

The new ransomware strain outstands for the use of encryption to protect the ransomware binary. CACTUS essentially encrypts itself, making it harder to detect and helping it evade antivirus and network monitoring tools,” Laurie Iacono, Associate Managing Director for Cyber Risk at Kroll, told Bleeping Computer.

Ransomware 81

Ransomware VPN Antivirus Encryption 81

Security Affairs

MARCH 17, 2021

According to the experts, the first infections were observed in late 2019, victims reported their files were encrypted by a strain of malware. locked to the filename of the encrypted files. The attackers implement a double extortion model using the PYSA ransomware to exfiltrate data from victims prior to encrypting their files.

Education 100

Education Ransomware Encryption Antivirus 100

CyberSecurity Insiders

JANUARY 6, 2023

Test security of systems and networks regularly. Support information security within organizational policies and programs. Requirement 2: Broader scope defining the need for security configuration management (SCM) on more types of assets. Requirement 5: It is no longer sufficient to just have standard antivirus software.

Antivirus 138

Antivirus Retail Software Accountability 138

Security Affairs

SEPTEMBER 20, 2020

“They are also urged to read the NCSC’s newly-updated guidance on mitigating malware and ransomware attacks , and to develop an incident response plan which they regularly test.” ” reads the advisory. backup servers, network shares, servers, auditing devices). PowerShell) to easily deploy tooling or ransomware.

Education 145

Education Ransomware Antivirus Backups 145

Security Affairs

APRIL 30, 2021

.” The Portdoor backdoor implements multiple functionalities, including the ability to do reconnaissance, target profiling, delivery of additional payloads, privilege escalation, process manipulation static detection antivirus evasion, one-byte XOR encryption, AES-encrypted data exfiltration. ” continues the report.

Phishing 132

Phishing Malware Antivirus Encryption 132

Security Affairs

JANUARY 31, 2020

Emotet , the most widespread malware worldwide and Ryuk , a ransomware type, are growing threats and real concerns for businesses and internet users in 2020. This study also concludes that a total of 377 Portuguese domains to spread different types of malware in the same period. SecurityAffairs – malware, hacking).

Malware 113

Malware Retail Advertising Antivirus 113

The Last Watchdog

JUNE 21, 2020

Although most people think of ransomware as a dodgy application that encrypts data and holds it for ransom, the concept is much more heterogeneous than that. File encryption 2013 – 2015. It emerged in September 2013 and paved the way for hundreds of file-encrypting menaces that have splashed onto the scene ever since.

Ransomware 243

Ransomware Hacking Encryption Penetration Testing 243

Security Affairs

DECEMBER 22, 2021

According to the experts, the first infections were observed in late 2019, victims reported their files were encrypted by a strain of malware. locked to the filename of the encrypted files. Operators behind the attacks were spreading a new version of the Mespinoza ransomware (aka Pysa ransomware). This new version used the.

Ransomware 103

Ransomware Penetration Testing Healthcare Government 103

Security Affairs

JULY 1, 2019

Even if the activity of Dridex decreased in the last couple of years, crooks continued to updates it adding new features such the support of XML scripts, hashing algorithms, peer-to-peer encryption, and peer-to-command-and-control encryption. ” reads the analysis published by eSentire. com domain to download the Dridex installer.

Banking 79

Banking Antivirus Advertising Encryption 79

Security Affairs

APRIL 7, 2021

This ransomware encrypts data from victims with AES-256 + RSA-8192 and then demands a ~ 2 BTC ransom to get the files back. At least in one case, an attack of the ransomware resulted in a temporary shutdown of the industrial process due to servers used to control the industrial process becoming encrypted.”

VPN 103

VPN Ransomware Antivirus Firmware 103

Security Affairs

AUGUST 9, 2022

The Portdoor backdoor implements multiple functionalities, including the ability to do reconnaissance, target profiling, delivery of additional payloads, privilege escalation, process manipulation static detection antivirus evasion, one-byte XOR encryption, AES-encrypted data exfiltration.

Antivirus 104

Antivirus Encryption Malware Hacking 104

Security Affairs

JULY 11, 2019

Malware researchers at two security firms Intezer and Anomali have discovered a new piece of ransomware targeting Network Attached Storage (NAS) devices. Experts at security firms Intezer and Anomali have separately discovered a new piece of ransomware targeting Network Attached Storage (NAS) devices. The malicious code appends.

Ransomware 93

Ransomware Encryption Malware Advertising 93

Security Boulevard

JUNE 6, 2021

Ten to fifteen years ago, a company having FPC (full packet capture) was an indicator of the seriousness of the company's information security efforts. AntiVirus became less useful. You have packets from the connection, but the data is encrypted. The connection was made over TLS 1.2. Still very much valuable.

Encryption 87

Encryption Mobile Antivirus Firewall 87

Security Affairs

JULY 28, 2021

Researchers from Palo Alto Networks Unit 42 team tracked the new version of the PlugX malware as Thor, they reported that the RAT was used as a post-exploitation tool deployed on one of the compromised servers. PKPLUG used a technique known as “ living off the land ” to bypass antivirus detection and target Microsoft Exchange servers.

Encryption 111

Encryption Antivirus Malware Hacking 111

Security Affairs

MARCH 14, 2022

The victims’ data is encrypted and sent to the C2 server geolocated in Russia. The malware takes advantage of a template from the Portuguese Tax services (Autoridade Tributária e Aduaneira) to disseminate the threat in the wild. .”C:WindowsSystem32msiexec.exe” Phishing wave.

Banking 92

Banking Encryption Malware Phishing 92

Security Affairs

MARCH 18, 2023

ransomware is a modular malware that is more evasive than its previous versions, its shared similarities with Blackmatter and Blackcat ransomware. ” By protecting the code with encryption, the latest LockBit version can avoid the detection of signature-based anti-malware solutions. The LockBit 3.0 The LockBit 3.0

Ransomware 87

Ransomware Penetration Testing Encryption Accountability 87

Security Affairs

MAY 4, 2023

However, CBS News Texas obtained an image the ransomware note dropped by the malware on the infected systems. FBI and CISA believe this variant, which uses its own custom-made file encryption program, evolved from earlier iterations that used “Zeon” as a loader.” Source J.D. reads the alert.

Ransomware 96

Ransomware Healthcare Education Encryption 96