Trojan.Bulz.B
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Popularity Rank: | 17,821 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 85 |
| First Seen: | December 10, 2021 |
| Last Seen: | August 30, 2025 |
| OS(es) Affected: | Windows |
Table of Contents
Analysis Report
General information
| Family Name: | Trojan.Bulz.B |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
8d94182db123b793cb42387c4d2fbae5
SHA1:
68b2278442a074ad9177a166f82c9633a726ac07
SHA256:
7DB94198F5CA0C09ADD0E209F5A1D9B249E2E529E569B931DEE28B95294372E6
File Size:
5.93 MB, 5928824 bytes
|
|
MD5:
8da348a83f4a089b87f9ec898640f27c
SHA1:
3704f711fd8a68b742b115aefbf7402bf270574e
SHA256:
B4F0AE90269AE9B19F7328BA774DD10BDF3107BB6B947990C24DD3B946EAF067
File Size:
8.68 MB, 8684008 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have relocations information
- File has exports table
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
Show More
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Comments |
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| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Legal Trademarks |
|
| Original Filename |
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| Product Name |
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| Product Version |
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Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| Ates Yazilim, Bilgisayar & Internet Teknolojileri Tic Ltd Sti | Symantec Class 3 SHA256 Code Signing CA | Hash Mismatch |
File Traits
- 2+ executable sections
- HighEntropy
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 15,190 |
|---|---|
| Potentially Malicious Blocks: | 840 |
| Whitelisted Blocks: | 14,350 |
| Unknown Blocks: | 0 |
Visual Map
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...
Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Bulz.B
- Diztakun.K
- Installmonstr.EC
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| c:\programdata\handycafe\client\data\data.dat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\programdata\handycafe\client\data\sets.ini | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\programdata\handycafe\client\dump.log | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\programdata\handycafe\client\dump.log | Generic Write,Read Attributes |
| c:\programdata\handycafe\client\fiqugllkib_list.dat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\downloads\language\lng.ini | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\windows\system.ini | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\windows\system32\drivers\etc\hosts | Synchronize,Write Attributes |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKCU\software\microsoft\windows\currentversion\explorer\advanced::hidden | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center::antivirusoverride | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center::antivirusdisablenotify | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center::firewalldisablenotify | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center::firewalloverride | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center::updatesdisablenotify | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center::uacdisablenotify | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center\svc::antivirusoverride | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center\svc::antivirusdisablenotify | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center\svc::firewalldisablenotify | RegNtPreCreateKey |
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| HKLM\software\wow6432node\microsoft\security center\svc::firewalloverride | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center\svc::updatesdisablenotify | RegNtPreCreateKey | |
| HKLM\software\wow6432node\microsoft\security center\svc::uacdisablenotify | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\internet settings::globaluseroffline | RegNtPreCreateKey | |
| HKLM\software\microsoft\windows\currentversion\policies\system::enablelua | RegNtPreCreateKey | |
| HKLM\system\controlset001\services\sharedaccess\parameters\firewallpolicy\standardprofile::enablefirewall | RegNtPreCreateKey | |
| HKLM\system\controlset001\services\sharedaccess\parameters\firewallpolicy\standardprofile::donotallowexceptions | RegNtPreCreateKey | |
| HKLM\system\controlset001\services\sharedaccess\parameters\firewallpolicy\standardprofile::disablenotifications | RegNtPreCreateKey | |
| HKCU\software\apcr\1214104697::1919251317 | | RegNtPreCreateKey |
| HKCU\software\apcr\1214104697::-456464662 | RegNtPreCreateKey | |
| HKCU\software\apcr\1214104697::1462786655 | RegNtPreCreateKey | |
| HKCU\software\apcr\1214104697::-912929324 | # | RegNtPreCreateKey |
| HKCU\software\apcr\1214104697::1006321993 | Ź | RegNtPreCreateKey |
| HKCU\software\apcr\1214104697::-1369393986 | http://arqdesigngv.com.br/logo/logo.gif http://asch-bourj.org/ | RegNtPreCreateKey |
| HKCU\software\apcr\1214104697::549857331 | RegNtPreCreateKey | |
| HKCU\software\apcr::u1_0 | RegNtPreCreateKey | |
| HKCU\software\apcr::u2_0 | ᓇ | RegNtPreCreateKey |
| HKCU\software\apcr::u3_0 | 権ă | RegNtPreCreateKey |
| HKCU\software\apcr::u4_0 | RegNtPreCreateKey | |
| HKCU\software\handycafe\client::path | c:\users\user\downloads\3704f711fd8a68b742b115aefbf7402bf270574e_0008684008 | RegNtPreCreateKey |
| HKCU\software\handycafe\client::version | 4.1.16 | RegNtPreCreateKey |
| HKLM\software\wow6432node\handycafe\client::path | c:\users\user\downloads\3704f711fd8a68b742b115aefbf7402bf270574e_0008684008 | RegNtPreCreateKey |
| HKLM\software\wow6432node\handycafe\client::version | 4.1.16 | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\windows\currentversion\run::hndclient | c:\users\user\downloads\3704f711fd8a68b742b115aefbf7402bf270574e_0008684008 | RegNtPreCreateKey |
| HKCU\software\microsoft\internet explorer\tabbedbrowsing::warnonclose | RegNtPreCreateKey | |
| HKCU\software\microsoft\internet explorer\tabbedbrowsing::warnoncloseadvanced | RegNtPreCreateKey | |
| HKCU\software\microsoft\internet explorer\tabbedbrowsing::newtabpageshow | RegNtPreCreateKey | |
| HKCU\software\microsoft\internet explorer\tabbedbrowsing::openallhomepages | RegNtPreCreateKey | |
| HKCU\software\microsoft\windows\currentversion\policies\system::disabletaskmgr | RegNtPreCreateKey | |
| HKCU\software\handycafe\client\settings::_clnorm | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| User Data Access |
|
| Process Manipulation Evasion |
|
| Other Suspicious |
|
| Network Winsock2 |
|
| Anti Debug |
|
| Network Winsock |
|
| Network Info Queried |
|
