Threat Database Trojans Trojan.Injector.KZS

Trojan.Injector.KZS

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 5
First Seen: June 5, 2022
Last Seen: August 23, 2025
OS(es) Affected: Windows

The detection of Trojan.Injector.KZS on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to infiltrate and compromise your computer, putting your personal data and online security at risk. It is essential to understand the nature of this threat and take prompt action to remove it and prevent future infections.

What Is Trojan.Injector.KZS?

Trojan.Injector.KZS is a type of malicious software that can be used to gain unauthorized access to a computer system. The name "Trojan" refers to the fact that this type of malware disguises itself as a legitimate program or file, allowing it to evade detection and infiltrate a system. The "Injector" part of the name suggests that this malware may be capable of injecting malicious code into other programs or system processes. While the exact nature and capabilities of Trojan.Injector.KZS are not specified, it is clear that it poses a significant threat to computer security.

How Trojan.Injector.KZS Operates

Malware like Trojan.Injector.KZS typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once inside a system, it can perform a variety of malicious actions, such as stealing sensitive information, installing additional malware, or providing unauthorized access to the system. The exact mechanisms used by Trojan.Injector.KZS are not specified, but it is likely that it uses common tactics such as social engineering, drive-by downloads, or exploitation of software vulnerabilities to infect systems.

Symptoms of Infection

Systems infected with Trojan.Injector.KZS may exhibit a range of symptoms, including slow performance, unexpected crashes, or unusual network activity. Users may also notice that their system is behaving erratically or that their personal data is being accessed without their consent. However, some malware is designed to operate stealthily, making it difficult to detect without the use of specialized security software. If you suspect that your system is infected, it is essential to take immediate action to remove the malware and prevent further damage.

How to Remove Trojan.Injector.KZS

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for easier removal.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and detect any malicious files or programs.
  3. Uninstall any suspicious programs or applications that may be related to the malware.
  4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
  5. Reboot your computer and perform another scan with your anti-malware tool to ensure that the malware has been completely removed.

Conclusion

The detection of Trojan.Injector.KZS is a serious security issue that requires prompt attention. By understanding the nature of this threat and taking the necessary steps to remove it, you can protect your personal data and prevent further damage to your system. It is essential to remain vigilant and take proactive measures to prevent future infections, such as keeping your software up to date, using strong passwords, and avoiding suspicious downloads or links. By taking these steps, you can help to ensure the security and integrity of your computer system.

Analysis Report

General information

Family Name: Trojan.Injector.KZS
Packers: UPX
Signature status: No Signature

Known Samples

MD5: 61d387445d82bd7ee371cebe7805f730
SHA1: 28ca41e48b11910cffcd556d9093783d9f3b3559
SHA256: 036846B6C3FE14775E9C636A90AE63DAB4A9C8563B2529394E7F3DB0497DB2F9
File Size: 16.90 KB, 16896 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 resources
  • File doesn't have security information
  • File has been packed
  • File has TLS information
  • File is 32-bit executable
  • File is either console or GUI application
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  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • .UPX
  • 2+ executable sections
  • HighEntropy
  • No Version Info
  • packed
  • upx
  • x86

Block Information

Total Blocks: 46
Potentially Malicious Blocks: 7
Whitelisted Blocks: 31
Unknown Blocks: 8

Visual Map

0 0 0 0 x x x 0 0 x 0 0 0 0 x 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? 0 ? 0 0 0 ? ? ? ? ? x ?
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
c:\windows\sysinit.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\windows\sysinit.exe Synchronize,Write Attributes

Registry Modifications

Key::Value Data API Name
HKLM\system\controlset001\control\session manager::pendingfilerenameoperations \??\c:\users\user\downloads\28ca41e48b11910cffcd556d9093783d9f3b3559_0000016896 RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\policies\explorer\run::sysinit C:\WINDOWS\sysinit.exe RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FXD�':D��exA-��LG=�A��J� �C� RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
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HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 >fP xykP~ �ރ������^۴�#}�Vs}okP~o��1���#���dB 6F e`M��18��h �n�}e��e�� RegNtPreCreateKey

Windows API Usage

Category API
Process Manipulation Evasion
  • NtUnmapViewOfSection

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