Trojan.Zapchast.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: | 1,342 |
| Threat Level: | 80 % (High) |
| Infected Computers: | 981 |
| First Seen: | December 3, 2012 |
| Last Seen: | December 13, 2025 |
| OS(es) Affected: | Windows |
Table of Contents
Aliases
15 security vendors flagged this file as malicious.
| Antivirus Vendor | Detection |
|---|---|
| AVG | Dropper.Generic6.BACF |
| GData | MSIL:Downloader-FT |
| Kaspersky | Trojan-Dropper.Win32.Dapato.bqjc |
| Avast | MSIL:Downloader-FT [Trj] |
| Symantec | Trojan.ADH.2 |
| Panda | Trj/OCJ.A |
| AVG | Dropper.Generic6.CNQH |
| Fortinet | W32/Zapchast.KNK!tr |
| Ikarus | Trojan.Msil |
| Microsoft | Trojan:MSIL/Zapchast.B |
| AntiVir | TR/Dropper.Gen |
| Sophos | Mal/Generic-L |
| Kaspersky | Trojan.MSIL.Zapchast.knk |
| Avast | Win32:Dropper-gen [Drp] |
| Symantec | Trojan.Gen |
SpyHunter Detects & Remove Trojan.Zapchast.B
File System Details
Trojan.Zapchast.B may create the following file(s):
| # | File Name | MD5 |
Detections
Detections: The number of confirmed and suspected cases of a particular threat detected on
infected computers as reported by SpyHunter.
|
|---|---|---|---|
| 1. | 8515eb34d8f9de5af815466e9715b3e5.exe | 3a5063a17da20d0e0661893e82dbeb19 | 12 |
| 2. | wscntfy.exe | 6ae3751038bbaf0d72c3d80b4532e2d0 | 1 |
Analysis Report
General information
| Family Name: | Trojan.Zapchast.B |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
f2287fd5e45c7e59a8bbbc5d5214c0c2
SHA1:
853b1165e3e2bb03b44a7a4a214a89fbeaf27c91
SHA256:
282C1B47718E46569558A682901AD4CF42B77A4CE70B526FB2DC5A0A8DF91E47
File Size:
5.26 MB, 5256778 bytes
|
|
MD5:
1576bf779580fe781379648a4ce237af
SHA1:
ef3fc3fea185a6dab9cc7c7162dd08b314e2476d
SHA256:
8D8913532F4E9755ED13AFC9852070C61083C726669A6566ECFF0B75D87A23F6
File Size:
6.83 MB, 6833787 bytes
|
|
MD5:
56755e0b91011cd0604b223d7ca23b16
SHA1:
cdba6c96a435a7f3eb29b6c28455e2f2830638b5
SHA256:
C56783214AF950553023508328368557A5F15ED5507961DABB07C3B353AF0147
File Size:
8.12 MB, 8116665 bytes
|
|
MD5:
da0c266c6ab6c60af20c59f73d2876f4
SHA1:
44d0cdb16b1f1eb8e60fb8b0647b9e697c4b14df
SHA256:
AFF7AF21381BDF17C3ADFDA37F45367BCDD588ED21382B49A7B232E75B71892A
File Size:
8.37 MB, 8368480 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have relocations information
- File doesn't have security information
- 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)
Show More
- File is not packed
- 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 | This installation was built with Inno Setup. |
| Company Name |
|
| File Description |
|
| File Version | 1.0.0.0 |
| Legal Copyright | Copyright by acrisoft |
| Legal Trademarks | Made with Paquet Builder, http://www.installpackbuilder.com |
| Product Name |
|
| Product Version |
|
| Web | No homepage |
File Traits
- 7-zip (In Overlay)
- 7-zip SFX
- Installer Version
- x86
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:\users\user\appdata\local\temp\is-14vtb.tmp\ef3fc3fea185a6dab9cc7c7162dd08b314e2476d_0006833787.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\is-2e1jj.tmp\_isetup\_setup64.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\is-2e1jj.tmp\_isetup\_shfoldr.dll | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\nsh26ff.tmp\langdll.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nsl310b.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete |
| c:\users\user\appdata\local\temp\nsq312b.tmp\langdll.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\pb36fa7384\pbcore.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\pb36fa7384\pbdlg.dat | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\pb36fa7384\pbfprop.dat | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\pb36fa7384\pbheader.bmp | Generic Write,Read Attributes |
Show More
| c:\users\user\appdata\local\temp\pb36fa7384\pblng.dat | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\pb36fa7384\pbremove.dat | Generic Write,Read Attributes |
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 |
|---|---|
| Keyboard Access |
|
| Process Shell Execute |
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| User Data Access |
|
Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
"C:\Users\Mkglxozr\AppData\Local\Temp\is-14VTB.tmp\ef3fc3fea185a6dab9cc7c7162dd08b314e2476d_0006833787.tmp" /SL5="$20198,6347655,119296,c:\users\user\downloads\ef3fc3fea185a6dab9cc7c7162dd08b314e2476d_0006833787"
|
