Home Malware Programs Ransomware Cerber3 Ransomware

Cerber3 Ransomware

Posted: September 1, 2016

Threat Metric

Ranking: 8,105
Threat Level: 10/10
Infected PCs: 168,369
First Seen: March 4, 2016
Last Seen: October 16, 2023
OS(es) Affected: Windows

The Cerber3 Ransomware is an update of the Cerber2 Ransomware, which bases itself on the original Cerber Ransomware. All of these Trojans use encryption encoding techniques to block your files and drop ransom notes recommending that you pay Bitcoins to get the attack's effects decoded. Victims have several options for protecting their data from this threat, all of which are superior to paying any ransoms, preferably after deleting the Cerber3 Ransomware with an anti-malware utility.

An Introduction to the World of Trojan Update Cycles

Version control, patches, and update management aren't the sole purview of legitimate products. Even illicit ones, such as threatening software, can benefit from releasing organized updates to old models. The Cerber Ransomware family is a good evidence of this fact particularly, with malware experts seeing its authors use update cycles to block previously-useful security countermeasures. The Cerber3 Ransomware is the latest release in this group.

The core feature of this family, hostile data encryption, persists with the Cerber3 Ransomware, which isolates files of relevant formats (documents, audio, images, archives, Web pages, or spreadsheets, for example). Besides encoding them with a potentially unbreakable cipher, the Cerber3 Ransomware also renames them according to a new format specific to this version of its family, which includes a custom extension ('.the Cerber3'). Readers who remember the original names of this family's HTML and TXT ransom notes also may note that the Cerber3 Ransomware uses new names for these components, although the contents are the same essentially.

Like the Cerber Ransomware or the Cerber2 Ransomware, the Cerber3 Ransomware asks for Bitcoin payments in exchange for decrypting your data. Malware experts do emphasize that the PC security sector has had reasonable success with providing free decryptors for this family, although, as a new update, the Cerber3 Ransomware may have changed its encryption technique to require the release of new tools sufficiently.

Keeping Your Security from Being Dated against the Latest in Trojan Warfare

Arguably, being able to reverse a the Cerber3 Ransomware's full payload is less important than preventing the infection's occurrence. Taking adequate protection measures, such as using strong passwords, disabling exploitable browser content, and scanning any content that's likely of being compromised (such as invoices found in e-mail messages) can remove most infection vectors for the Cerber3 Ransomware and other threats of its classification. Backups also can give you recovery solutions that are independent of the decryption resources that the PC security strives to provide.

Although many of the Cerber3 Ransomware's changes are aesthetic, malware analysts also saw some changes in its network communications behavior with reduced UDP activity. Victims should stay aware that Trojans may change from visually-identical ancestors in ways that may not be obvious substantially, but can have a profound impact on their ability to cause harm.

Professionally-developed anti-malware solutions should experience few issues with detecting or deleting the Cerber3 Ransomware. However, like any update to past threat, the Cerber3 Ransomware may have other surprises in store for the digital world.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%ALLUSERSPROFILE%\Readme.hta File name: Readme.hta
Size: 9.07 KB (9077 bytes)
MD5: 8f85ab4bb455ce6d413eff9e9d47a506
Detection count: 126
Mime Type: unknown/hta
Path: %ALLUSERSPROFILE%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\README.hta File name: README.hta
Size: 63.11 KB (63113 bytes)
MD5: 777e13c9a5cad4e1d2134d5104188ff6
Detection count: 101
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\README.hta File name: README.hta
Size: 61.8 KB (61802 bytes)
MD5: c4fff6005b70cccd895082e6c79595b3
Detection count: 84
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\wP6fT.exe File name: wP6fT.exe
Size: 322.56 KB (322560 bytes)
MD5: 731279e3c09f8e52a849c0a9c1043bb5
Detection count: 72
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%
Group: Malware file
Last Updated: July 18, 2017
%APPDATA%\_HELP_HELP_HELP_GLP9_.hta File name: _HELP_HELP_HELP_GLP9_.hta
Size: 75.86 KB (75864 bytes)
MD5: 5f7533c663ddb4c0ae4dbbaafb50d491
Detection count: 60
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\README.hta File name: README.hta
Size: 63.05 KB (63059 bytes)
MD5: e189ce9640edc95a1ba19d0d4d85691b
Detection count: 56
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: February 24, 2017
%APPDATA%\_HELP_HELP_HELP_SUXEZY_.hta File name: _HELP_HELP_HELP_SUXEZY_.hta
Size: 75.9 KB (75904 bytes)
MD5: 5190e890725bf431ba44001e190c70f5
Detection count: 56
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\_READ_THI$_FILE_DB3DT9_.hta File name: _READ_THI$_FILE_DB3DT9_.hta
Size: 77.05 KB (77053 bytes)
MD5: 7476a75b0680d99f5338b886bc7def62
Detection count: 54
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
file.exe File name: file.exe
Size: 243.74 KB (243748 bytes)
MD5: 212fa73fd6ed39b4720bcfd8d97426d5
Detection count: 46
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: January 26, 2017
%APPDATA%\README.hta File name: README.hta
Size: 63.14 KB (63140 bytes)
MD5: 107ab5eae352dab9defab24d3ba77b4a
Detection count: 42
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: February 24, 2017
%APPDATA%\_HELP_HELP_HELP_2R9I63OS.hta File name: _HELP_HELP_HELP_2R9I63OS.hta
Size: 75.78 KB (75787 bytes)
MD5: a2daec078c54bb6bc5e96038a1506f2c
Detection count: 34
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\_HELP_HELP_HELP_HUUKTW_.hta File name: _HELP_HELP_HELP_HUUKTW_.hta
Size: 75.86 KB (75864 bytes)
MD5: 0224da72bc3638b351cf509cdfc443c2
Detection count: 30
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%USERPROFILE%\Start Menu\Programs\Startup\_HELP_HELP_HELP_RSHI_.hta File name: _HELP_HELP_HELP_RSHI_.hta
Size: 75.9 KB (75904 bytes)
MD5: a46e5f2ce8a20bbb8548959debb9ac0c
Detection count: 23
Mime Type: unknown/hta
Path: %USERPROFILE%\Start Menu\Programs\Startup
Group: Malware file
Last Updated: April 15, 2017
%USERPROFILE%\Start Menu\Programs\Startup\_HELP_HELP_HELP_STOV8H1_.hta File name: _HELP_HELP_HELP_STOV8H1_.hta
Size: 75.86 KB (75864 bytes)
MD5: 1632ca0953d5499bf251455159a80ea0
Detection count: 14
Mime Type: unknown/hta
Path: %USERPROFILE%\Start Menu\Programs\Startup
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\_HELP_HELP_HELP_ND8FZ.hta File name: _HELP_HELP_HELP_ND8FZ.hta
Size: 75.78 KB (75787 bytes)
MD5: 041ef4b6a12e0b3165172884301b0d1e
Detection count: 12
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
c:\Users\<username>\appdata\roaming\{6b977300-2501-f740-f2c0-799d6aca21c2}\cmdkey.exe File name: cmdkey.exe
Size: 659.58 KB (659585 bytes)
MD5: 27cf39d205567505d840391e4761a7a0
Detection count: 12
File type: Executable File
Mime Type: unknown/exe
Path: c:\Users\<username>\appdata\roaming\{6b977300-2501-f740-f2c0-799d6aca21c2}
Group: Malware file
Last Updated: October 17, 2018
%APPDATA%\_HELP_HELP_HELP_XFCV_.hta File name: _HELP_HELP_HELP_XFCV_.hta
Size: 75.9 KB (75904 bytes)
MD5: 01ec9e50d17de043a23997d6562293ad
Detection count: 7
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\_HELP_HELP_HELP_3NNARI.hta File name: _HELP_HELP_HELP_3NNARI.hta
Size: 75.78 KB (75787 bytes)
MD5: 0ef13a9213c456db231825061eec294c
Detection count: 5
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\_HELP_HELP_HELP_L41VV_.hta File name: _HELP_HELP_HELP_L41VV_.hta
Size: 75.86 KB (75864 bytes)
MD5: c63b4a524713e4c5f3802463cb46dab8
Detection count: 5
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017
%APPDATA%\_READ_THI$_FILE_L81EB65A_.hta File name: _READ_THI$_FILE_L81EB65A_.hta
Size: 77.01 KB (77010 bytes)
MD5: 2a6828d2ba37bb97efb4773619b80715
Detection count: 5
Mime Type: unknown/hta
Path: %APPDATA%
Group: Malware file
Last Updated: April 15, 2017

More files

Registry Modifications

The following newly produced Registry Values are:

File name without path# DECRYPT MY FILES #.html# DECRYPT MY FILES #.url# DECRYPT MY FILES #.vbs_README_.hta
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