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Keygen.exe Trojan Agent Analysis

Updated 8 days ago
Checked by Malaware Check
Keygen.exe

Technical Analysis

File Name Keygen.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.217.174
Database Version 2025-05-30 01:00:17 UTC
⚠

Trojan.Win32.Agent.vb!s1

Malware family: Agent

Trojan Agent malware disguises itself as legitimate software while performing unauthorized activities including data theft and providing remote system access to threat actors.
N/A
Detection Rate
869,888
File Size (bytes)
2025-05-30
Analysis Date

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File Identification

Hash Type Value Action
MD5
dbde61502c5c0e17ebc6919f361c32b9
SHA1
189749cf0b66a9f560b68861f98c22cdbcafc566
SHA256
88cad5f9433e50af09ac9cad9db06e9003e85be739060b88b64186c05c0d636b
SHA512
d9b8537f05844ec2f2549e2049e967a8023bfe432e3a9cf25fc0f7ad720e57a5830be733e1812cc806c5b68cd9586a031e394f67fc7e3f7fe390625fd5dedfbb
ImpHash
06ac1f21ee2a357ffb0dd7db52cbbb13

PE Analysis

Basic Information

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Icon
Hash: 9389f25c3823efe30ed721ffed672d55
Fuzzy: 978f44eb9bc94f6716e3fbeebdf6394f
dHash: f0d4d4d4f4343cb0
Image Base 0x00400000
Entry Point 0x00401000
Compilation Time 2015-04-18 12:16:08
Checksum 0x00000000 (Actual: 0x000d7ecd)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 8 libraries
MSVCRT, KERNEL32, COMCTL32, USER32, GDI32, OLE32, SHELL32, SHLWAPI
Exports 0 functions
Resources 12 Resources
Sections 5 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.code 0x00001000 6,630 bytes 6,656 bytes 5.53 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 6049321745BC85F9254866D07A814943
.text 0x00003000 21,617 bytes 22,016 bytes 6.53 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 85CD60567CCBD1D3E165284DF9A5AF84
.rdata 0x00009000 1,290 bytes 1,536 bytes 6.87 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ F1AB5416232DB47208ABC18E5D7E4B1A
.data 0x0000a000 4,984 bytes 4,608 bytes 4.68 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 4989C3A3BFD42A5B0651EE3A88B40240
.rsrc 0x0000c000 833,984 bytes 834,048 bytes 7.83 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 08F5B7C790C318D79E18AA49B9CE488C
Entropy Analysis Alert

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

2 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

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Total Resources: 12 (833,259 bytes)
Resource Type Count Total Size Percentage
RT_ICON 4 31,968 bytes
3.8%
RT_RCDATA 6 800,618 bytes
96.1%
RT_GROUP_ICON 1 62 bytes
0%
RT_MANIFEST 1 611 bytes
0.1%

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

No valid SignedData structure was found.

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

Trojan.Win32.Agent.vb!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Agent.vb!s1 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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