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Keygen.exe Trojan Downloader Analysis

Updated 11 months ago
Checked by Malware Check
Keygen.exe

Technical Analysis

File Name Keygen.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.187.174
Database Version 2024-09-12 14:00:33 UTC
⚠

Trojan.Win32.Downloader.sa

Malware family: Downloader

Downloader Trojans specialize in retrieving and installing additional malware payloads. Unlike comprehensive malware, they focus specifically on payload delivery rather than direct system damage.
N/A
Detection Rate
1,149,952
File Size (bytes)
2024-09-12
Analysis Date

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File Identification

Hash Type Value Action
MD5
70be645013bb40472981b510fef40341
SHA1
9dc8263e05cc334d6a02a5e0a775ce4c363bd820
SHA256
1c36851144c0ae74fdb8e794d2bbeed1645cf575aeabf4d5c2be732e5fff1069
SHA512
226d7e1760dce7e421978c178272581f9bae59465cae0cc6f1f8b5746afb878091f8a38b66cbd87d1540dad23364a8ed26b93dd712dc53bcfccf5eb815ccddcc
ImpHash
28b277618a8c019450f811c88ea47802

PE Analysis

Basic Information

▼
Icon
Hash: ba1159ff418cd040fbf3d0fdd7e758a7
Fuzzy: f2ea594469f54964a768fff00ae07258
dHash: b2b2b0b0b292520b
Image Base 0x00400000
Entry Point 0x0062a700
Compilation Time 2021-10-02 00:43:11
Checksum 0x00121972 (Actual: 0x00121972)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature The PE file does not contain a certificate table.
Imports 11 libraries
Exports 0 functions
Resources 104 Resources
Sections 3 Sections

Version Information

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CompanyName RadiXX11
FileDescription NCH Software Keygen
FileVersion 1.9.0.0
InternalName Keygen.exe
LegalCopyright © 2021, RadiXX11
LegalTrademarks
OriginalFilename Keygen.exe
ProductName NCH Software Keygen
ProductVersion 1.9.0.0
Comments
Translation 0x0409 0x04e4

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
CODE 0x00001000 1,163,264 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.text 0x0011d000 1,110,016 bytes 1,106,944 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 049A784C664EC8A528E71A8607C51A15
.rsrc 0x0022c000 45,056 bytes 41,984 bytes 4.98 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 773AE7851A13BFDE33F2A939512DD69D
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼
Total Resources: 104 (671,183 bytes)
Resource Type Count Total Size Percentage
RT_CURSOR 8 2,464 bytes
0.4%
RT_BITMAP 29 15,556 bytes
2.3%
RT_ICON 4 31,968 bytes
4.8%
RT_DIALOG 1 82 bytes
0%
RT_STRING 28 15,538 bytes
2.3%
RT_RCDATA 23 602,724 bytes
89.8%
RT_GROUP_CURSOR 8 160 bytes
0%
RT_GROUP_ICON 1 62 bytes
0%
RT_VERSION 1 788 bytes
0.1%
RT_MANIFEST 1 1,841 bytes
0.3%

Certificate Chain Analysis

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No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

The PE file does not contain a certificate table.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win32.Downloader.sa Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Downloader.sa without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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