Security Affairs

APRIL 9, 2020

million ransom to decrypt its files after being encrypted by the infamous Sodinokibi ransomware. “As part of this attack, the operators behind the Sodinokibi ransomware told BleepingComputer that they had encrypted the company’s entire network, deleted backup files, and copied more than 5GB of personal data.

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Security Affairs

SEPTEMBER 20, 2020

Once gained the foothold in the target network, the attackers will attempt lateral movements to elevate the privileges and search for high-value machines to encrypt (i.e. backup servers, network shares, servers, auditing devices). Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

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Security Affairs

MAY 6, 2020

Nefilim will encrypt a file using AES-128 encryption, then the AES encryption key is encrypted using an RSA-2048 public key that is embedded in the ransomware executable. The encrypted AES key will be included in the contents of each encrypted file. ” reads the statement published by the company.

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Security Affairs

AUGUST 9, 2019

ransomware is also written in C++ and uses a modified version of AES-256 to encrypt files. JSWRM to the filenames of encrypted files. Once encrypted all data it drops the ransom note “JSWRM-DECRYPT. Once encrypted all data it drops the ransom note “JSWRM-DECRYPT. Your files are corrupted! Pierluigi Paganini.

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Security Affairs

DECEMBER 24, 2019

Feds remind that both ransomware implements a secure encryption algorithm that means it impossible to decrypt the files without paying the ransom. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

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Security Affairs

AUGUST 15, 2020

The threat actors also published screenshots of database backup entries as recent as July 2020. The company disclosed the incident in a statement, it added that was able to prevent its systems from being encrypted, suggesting the involvement of a ransomware. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

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Security Affairs

DECEMBER 9, 2019

megabytes) it will only encrypt certain parts of it in order to save time and allow it to work its way through the data as quickly as possible before anyone notices.” “The code used by Ryuk to determine how much of a file to encrypt if the file exceeds a size limit of 57,000,000 bytes. . Pierluigi Paganini.

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Ransomware Encryption Backups Advertising 57

Security Affairs

OCTOBER 15, 2020

A series of messages published on Barnes & Noble’s Nook social media accounts state that it had suffered a system failure and is working to restore operations by restoring their server backups. 2/2) Please be assured that there is no compromise of customer payment details which are encrypted and tokenized. Pierluigi Paganini.

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Security Affairs

NOVEMBER 6, 2020

“Pancak3 told BleepingComputer that Ragnar Locker claims to have encrypted most of Campari Group’s servers from twenty-four countries and are demanding $15,000,000 in bitcoins for a decryptor.” Campari has refused to pay the ransom and decided to restore its backup. ” reported Bleeping Computer. Source ZDNet.

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Security Affairs

APRIL 22, 2020

DoppelPaymer operators told BleepingComputer that in the attack took place on March 1st they encrypted files on approximately 150 servers and 500 workstations. The gang also claims to have erased the City’s local backups and to have stolen over 200 GB of files. The group posted files from the breach as proof. million ransom.

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Security Affairs

AUGUST 26, 2019

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. Below the ransom note dropped by the Nemty ransomware after the encryption process is completed.

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Ransomware Malware Antivirus Encryption 88

Security Affairs

SEPTEMBER 4, 2019

Table 1: Information about JSWorm 4.0.2 JSWorm encrypts all the user files appending a new extension to their name. Unlike other ransomware, the extension is composed by many fields, reporting the information the user needs to move on the ransom payment phase. Figure 3: Extensions excluded from encryption.

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Ransomware Encryption Malware Backups 79

Security Affairs

JULY 11, 2019

The ransomware , tracked by Intezer as “ QNAPCrypt ” and “ eCh0raix ” by Anomali , is written in the Go programming language and uses AES encryption to encrypt files. encrypt extension to filenames of encrypted files. encrypt extension to the encrypted files.” onion websites.

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Security Affairs

SEPTEMBER 5, 2019

Then the city opted out to restore from backups. RYUK encrypts, or renders inaccessible, the data stored on computer servers and workstations. In order to potentially unlock the encrypted data, the operator must then make a payment to acquire a decryption key from the attacker to access its data. . Pierluigi Paganini.

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Security Affairs

DECEMBER 28, 2019

. “Once the embedded malicious link in the email was clicked by an employee, the ransomware allowed for a threat actor to access significant enterprise Information Technology (IT) network files, and encrypt them, preventing the facility’s access to critical files,” continues the USCG. Pierluigi Paganini.

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Security Affairs

FEBRUARY 9, 2020

It is unclear if the attackers have exfiltrated data from the systems before encrypting them. The attacker focused on encrypting data files in the Windows domain. The backup of a limited number of systems was also affected.” ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

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Security Affairs

NOVEMBER 28, 2019

Experts also warn that some ransomware also exfiltrates data from infected systems before encrypting their files with the intent to resell the information on the dark web or blackmail twice the victims once that will pay the ransom. “Run updates, make sure your staff are aware of the digital threats and make backups.”

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Ransomware Advertising Backups Malware 107

Security Affairs

NOVEMBER 10, 2019

The attack encrypted customer data and the company’s website was not reachable on Saturday, it was up again earlier this morning on Sunday. It is unclear if SmarterASP decided to pay the ransom, or if it is restoring data using its backups. “Your hosting account was under attack and hackers have encrypted all your data.

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Security Affairs

SEPTEMBER 26, 2019

WannaCryFake is a piece of ransomware that uses AES-256 to encrypt a victim’s files. The ransomware appends the following file extension to encrypted file: “.[<id>][ The ransom note dropped by the WannaCryFake ransomware states: All your files have been encrypted! databases,backups, large excel sheets, etc.).

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Ransomware Encryption Advertising Passwords 64

Security Affairs

OCTOBER 13, 2020

As an example, we could use communications between systems that are not properly encrypted. Improper encryption. Hackers or other malicious sources can intercept poorly encrypted communications on the web. There are plenty of IoT devices with an auto-update feature, but there is a security issue with the process.

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IoT Cybersecurity Manufacturing Internet 129

Security Affairs

DECEMBER 9, 2019

Attackers used legitimate LogMeIn and Google binaries to sideload payloads in the first stage of the attack chain, then a second stage malware gathers information on the victim machine, gain persistence. The communication with C2 is implemented via HTTP/HTTPS, a backup mechanism uses comments left in GitHub Gists. Pierluigi Paganini.

Banking 64

Banking Malware Healthcare Education 64

Security Affairs

JULY 2, 2019

Once run, it starts the encryption of all the victim’s files, except for the system and programs folders: “Program Files” , “Program Files (x86)” , “Windows”. Actions during encryption phase. Similar information is also displayed in the image set as background and into the interactive pop-up window. Macro code.

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Security Affairs

NOVEMBER 6, 2019

The patient records encrypted in the attack include names and certain dental or cardiac images. “A third-party digital forensics firm was retained to assess the nature and extent of the malware attack and assist with the recovery of encrypted files. “Under U.S. Pierluigi Paganini.

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Security Affairs

JULY 16, 2019

This approach balances between the security (protection against Media File Jacking attacks) and functionality (e.g., supporting third party backup apps) needs of the IM apps. Encryption: Strive to encrypt sensitive files, as is usually done for text messages in modern IM solutions. Pierluigi Paganini.

Media 55

Media Backups Advertising Encryption 55

Security Affairs

JUNE 14, 2019

Historically, cyber-criminals adopted one or more layers of encryption and obfuscation to lower their footprint and avoid detection. The interesting thing is the payload, that is further loaded into memory, is merely embedded inside a resource without any encryption or obfuscation. Introduction. Figure 11: Version of NanoCore Client.

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Malware Encryption Backups Advertising 79

Security Affairs

SEPTEMBER 23, 2020

The operators use a suite of custom tools with the ultimate goal of encrypting files in the infected system and holding it for a ransom of about $50,000. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. The first successful attack of OldGremlin, known to Group-IB team, has been detected in August.

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Ransomware Phishing Banking Advertising 94

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Nickels suggests organizations follow this guidance: Also Read: How Zero Trust Security Can Protect Against Ransomware. Detect Focus on encryption Assume exfiltration.

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Security Affairs

OCTOBER 27, 2019

At the time of writing, experts at Wandera were not able to crack encrypted communications made by the apps with the C&C server. “Command & Control enables bad apps to bypass security checks because it activates a communication channel directly with the attacker that is not within Apple’s view. “As Pierluigi Paganini.

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Mobile Advertising Backups Technology 50

Security Affairs

OCTOBER 30, 2019

The malware then connects to the C&C server and waits for commands, experts noticed that the malware encrypts communications and implements certificate pinning to prevent MiTM attacks. ” Security experts suspect the malicious code is included in a system app pre-installed on the Android devices of certain phone brands.

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Malware Advertising Mobile Backups 43

ForAllSecure

OCTOBER 25, 2022

With ransomware, attackers encrypt an organization's data and hold it hostage until a ransom is paid. Baccio: So if you are a net defender, take this research and use that to inform your strategy. You could do that, then unleash a ransomware attack to encrypt all the evidence. Ransomware is not new. It's from a technical level.

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Ransomware Encryption Cybercrime Government 40

McAfee

AUGUST 24, 2021

From the 1960’s to 2000 infusion pumps were mostly electromechanical devices with some embedded electronics, but the turn of the century delivered “smarter” devices with better safety mechanisms and the possibility to program them, which slowly opened the door to information security challenges.

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Computers and Electronics Authentication Software Risk 145