The Last Watchdog

SEPTEMBER 27, 2021

It foreshadowed how encryption would come to be used as a foundation for Internet commerce – by companies and criminals. Today companies face a challenge of identifying and deflecting encrypted traffic leveraged by malicious actors. This was considered a significant win for the U.S. The Creeper Virus (1971). Lessons learned.

Cybersecurity 140

Cybersecurity Hacking Identity Theft Technology 140

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 18, 2023

They may use various tactics to evade antivirus and other security measures. Some info stealers may use encryption techniques to hide their communication with command-and-control servers, making it more challenging for security systems to detect malicious activities.

Banking 108

Banking Cybercrime Malware Accountability 108

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. SecurityAffairs – hacking, ransomware).

Ransomware 92

Ransomware Antivirus Encryption Backups 92

Security Affairs

JANUARY 16, 2023

Antivirus firm Avast released a free decryptor for the BianLian ransomware family that allows victims to recover locked files. Security experts noticed that the Go-based ransomware was able to encrypt files at high speeds. Upon its execution, BianLian searches all available disk drives (from A: to Z:) and all files to encrypt.

Ransomware 87

Ransomware Malware Antivirus Encryption 87

Krebs on Security

DECEMBER 29, 2022

Here’s a look at some of the more notable cybercrime stories from the past year, as covered by KrebsOnSecurity and elsewhere. This bold about-face dumbfounded many longtime Norton users because antivirus firms had spent years broadly classifying all cryptomining programs as malware.

Cryptocurrency 239

Cryptocurrency Cybercrime Computers and Electronics Scams 239

Spinone

AUGUST 20, 2018

Let’s discuss OS and software, antivirus, backup, mobile security, physical security and so on. Antivirus For Linux or Maс OS do not use antivirus. If you follow other recommendations from this guide, you can install antivirus that will not constantly monitor your OS and periodically scan your system with it.

Cybercrime 40

Cybercrime Antivirus Backups Encryption 40

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 85

Ransomware Healthcare Antivirus Encryption 85

Krebs on Security

DECEMBER 13, 2021

31, 2021, the HSE’s antivirus software detected the execution of two software tools commonly used by ransomware groups — Cobalt Strike and Mimikatz — on the Patient Zero Workstation. But the antivirus software was set to monitor mode, so it did not block the malicious commands.”

Healthcare 276

Healthcare Ransomware Antivirus Software 276

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 85

Ransomware Antivirus Backups Malware 85

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 71

Ransomware VPN Antivirus Encryption 71

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. SecurityAffairs – hacking, DLL hijacking). To nominate, please visit:?

Ransomware 97

Ransomware Antivirus Malware Encryption 97

Krebs on Security

SEPTEMBER 30, 2023

The government says Snatch used a customized ransomware variant notable for rebooting Microsoft Windows devices into Safe Mode — enabling the ransomware to circumvent detection by antivirus or endpoint protection — and then encrypting files when few services are running. ru account was used without his permission.

Ransomware 224

Ransomware Accountability Cybercrime Backups 224

Security Affairs

MARCH 9, 2023

“This payload extracts ScrubCrypt, which obfuscates and encrypts applications and makes them able to dodge security programs. The PowerShell script is encoded to avoid detection by AntiVirus solutions. The ScrubCrypt crypter is available for sale on hacking forums, it allows securing applications with a unique BAT packing method.

Antivirus 84

Antivirus Encryption Hacking Cybercrime 84

The Last Watchdog

SEPTEMBER 28, 2022

Related: The threat of ‘business logic’ hacks. Because the address comes across as an internal team member, people trust them, ultimately exposing themselves to cybercrime. To prevent malicious scams, companies should do the following: •Install high-quality antivirus software and spam filters.

Phishing 124

Phishing Scams Cybercrime Passwords 124

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 111

Ransomware System Administration Antivirus Malware 111

Webroot

FEBRUARY 26, 2024

Cybercrime isn’t just a futuristic Hollywood plotline, it’s a real threat that targets everyone—from wide-eyed kids to seasoned adults and wise grandparents. Keep your devices updated Newsflash: Cybercriminals love exploiting vulnerabilities in outdated software like it’s Black Friday at the cybercrime emporium.

Scams 99

Scams VPN Passwords Phishing 99

The Last Watchdog

FEBRUARY 15, 2019

The “Meltdown” and “Spectre” exploits paved the way for so-called “microcode hacks” in early 2018. There is not much that an end user can currently do to protect themselves against this type of attack, except to not run any software from a shady source, even if it does not raise any antivirus flag.” ” Shared burden.

Cybercrime 124

Cybercrime IoT Internet Internet 124

Security Affairs

AUGUST 27, 2022

Our investigation showed that the samples had leaked accounts, customer passwords, and unique company IDs used as extensions of encrypted files.” This ransomware has techniques for evading detection by taking advantage of the “safe mode” feature of a device to proceed with its encryption routine unnoticed. Trend Micro concludes.

Ransomware 95

Ransomware Encryption Accountability Antivirus 95

Security Affairs

JANUARY 6, 2023

. “The hackers entered the system and encrypted the December database. ” According to the media outlet, the attack was sophisticated, and both the Romanian Directorate for Investigating Organized Crime and Terrorism (DIICOT) and the Romanian antivirus firm BitDefender were not able to decrypt the files. Pierluigi Paganini.

Ransomware 77

Ransomware Antivirus Media Encryption 77

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 87

Education Ransomware Encryption Antivirus 87

Security Affairs

AUGUST 3, 2020

He had no previous criminal records at the time of the arrest, but it is known to be a member of a cybercrime forum to become an affiliate for the GandCrab ransomware operation. ransom amount, individual bots and encryption masks). SecurityAffairs – hacking, malware). Close of GandCrab Ransomware : 1-6-2019. Pierluigi Paganini.

Ransomware 113

Ransomware Advertising Malware Hacking 113

Security Affairs

NOVEMBER 5, 2020

The technique was already employed by other Chinese APT groups since 2013, later it was also adopted by other cybercrime gangs in attacks in the wild. ’ In a first attack scenario, hackers leverage a Microsoft antivirus component to load mpsvc.dll that acts as a loader for Groza_1.dat. SecurityAffairs – hacking, KilllSomeOne).

Encryption 105

Encryption Malware Advertising Antivirus 105

Security Affairs

MARCH 10, 2020

Microsoft is warning of human-operated ransomware, this kind of attack against businesses is becoming popular in the cybercrime ecosystem. Human-operated ransomware is a technique usually employed in nation-state attacks that is becoming very popular in the cybercrime ecosystem. SecurityAffairs – hacking, Human-operated ransomare).

Ransomware 111

Ransomware Cybercrime Social Engineering Banking 111

SecureWorld News

APRIL 11, 2022

Within the last week, there have been some significant victories in combatting Russian cybercrime, as the country continues its brutal and unprovoked invasion of Ukraine. GB of data encrypted, which includes 900,000 emails and 4,000 files. Along with the source code, over 170,000 internal messages were exposed.

Ransomware 76

Ransomware Antivirus Cybercrime Media 76

Security Affairs

MAY 4, 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.” After gaining access to victims’ networks, Royal actors disable antivirus software and exfiltrate large amounts of data before ultimately deploying the ransomware and encrypting the systems.”

Ransomware 89

Ransomware Healthcare Education Encryption 89

Security Affairs

APRIL 27, 2020

The cybercrime gang also apologized for the damages they have caused their victims. Unlike other ransomware strains that don’t encrypt victims in Russia and other CIS countries, Shade also targets computers in Russia and Ukraine. SecurityAffairs – Shade Ransomware, hacking). Pierluigi Paganini.

Ransomware 115

Ransomware Advertising Antivirus Education 115

Security Affairs

MARCH 19, 2022

The AvosLocker ransomware-as-a-service emerged in the threat landscape in September 2021, since January the group expanded its targets by implementing the support for encrypting Linux systems, specifically VMware ESXi servers. Install and regularly update antivirus software on all hosts, and enable real time detection.

Ransomware 92

Ransomware DDOS Passwords Backups 92

CyberSecurity Insiders

NOVEMBER 25, 2021

Today, any company can fall victim to cybercrime, which has become a major problem around the world. A smart decision is to give your Mac a regular scan to detect malware using tools that offer antivirus protection. If your system is hacked, you can use backups to restore your data. . . Source [link]. Back Up Your Data.

Computers and Electronics 120

Computers and Electronics Cyber Attacks Data breaches Passwords 120

Security Affairs

OCTOBER 31, 2022

In the early afternoon of Friday 12 May 2017, the media broke the news of a global computer security attack carried out through a malicious code capable of encrypting data residing in information systems and demanding a ransom in cryptocurrency to restore them, the Wannacry ransomware. SecurityAffairs – hacking, Wannacry).

Malware 92

Malware Computers and Electronics Encryption Ransomware 92

Security Affairs

MARCH 19, 2020

” 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. “On one of the compromised information systems, experts found encrypted files with the extension “ newversion.”

Government 100

Government Ransomware Encryption Penetration Testing 100

Security Affairs

FEBRUARY 14, 2022

“BlackByte is a Ransomware as a Service (RaaS) group that encrypts files on compromised Windows host systems, including physical and virtual servers.” Once gained access to the network, threat actors deployed tools to perform lateral movements and escalate privileges before exfiltrating and encrypting files.

Ransomware 84

Ransomware Accountability Firmware Antivirus 84

Security Affairs

AUGUST 31, 2022

At the time of publication, this particular file is undetected by all antivirus vendors according to VirusTotal” The Base64 encoded payload, once decrypted, is a Windows 64-bit executable (1.7MB) called “msdllupdate.exe.”. “This technique works by sending an encrypted string appended to the DNS query set as a subdomain.

Malware 77

Malware DNS Antivirus Encryption 77

Security Affairs

MARCH 18, 2023

” By protecting the code with encryption, the latest LockBit version can avoid the detection of signature-based anti-malware solutions. The RaaS’s affiliates use the following tools to exfiltrate data before encrypting it: Stealbit, a custom exfiltration tool used previously with LockBit 2.0;

Ransomware 76

Ransomware Penetration Testing Encryption Accountability 76

eSecurity Planet

NOVEMBER 2, 2022

Though polite, the Creeper was still an annoyance to some, and in 1971, Ray Tomlinson developed the first antivirus software , called Reaper. One of the first pieces of antivirus software , McAfee’s VirusScan, was released in 1987. Welcome to [link] Hacked By Chinese!”. It later evolved to also include file encryption.

Malware 140

Malware Ransomware Antivirus Internet 140

Security Affairs

APRIL 14, 2023

The researchers discovered that the samples contain a self-delete mechanism which is invoked once the victim’s device is encrypted. antivirus products), deleting shadow copies, and finally encrypting the files on the targeted systems. The group threatens to ban every affiliate who does leak samples. reads the screenshot.

Encryption 64

Encryption Antivirus Malware Education 64

Security Affairs

FEBRUARY 21, 2023

In order to make it impossible for the victims to recover the encrypted files, the ransomware deletes the Volume Shadow Copy Service (VSS) using the Service Control Manager and the Windows backup utility catalog along with any shadow copies. The report from Varonis also includes indicators of compromise (IoCs) that help detect the malware.

Insurance 75

Insurance Ransomware Cyber Insurance Malware 75