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SumatraPDF-prerel-64-install.exe Trojan Heuristic Analysis

Updated 3 days ago
Checked by Malaware Check
SumatraPDF-prerel-64-install.exe

Technical Analysis

File Name SumatraPDF-prerel-64-install.exe
File Type
PE32+ executable (GUI) x86-64, for MS Windows
Scanner Version 1.0.217.174
Database Version 2025-06-08 22:00:21 UTC
⚠

Trojan.Heur!.00014023

Malware family: Heuristic

Heuristic detection uses behavioral analysis and pattern recognition to identify potential threats without specific signatures. This proactive approach detects suspicious code behavior that may indicate malware presence. Detection may occasionally produce false positives when legitimate software exhibits similar behavioral patterns.
N/A
Detection Rate
10,051,224
File Size (bytes)
2025-06-08
Analysis Date

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File Identification

Hash Type Value Action
MD5
ae3b4c3ba3ac10b7a743980a33c2103e
SHA1
8f6823b0f9cfa669746496062f5af8f2275b2d13
SHA256
500b68ba3ad4311a3d298e19e99fb6146ce171ffc4c3e743cd4b66eb1b53f9d0
SHA512
9c4ed5b43611a4c626b9b9cf7a941efbd52ed9c51621157f5557969b08a92160d094f4e2cfb0325ea3aefce40ed039069dbedb420f995d586ecb2e3653209665
ImpHash
f1a051e9f7fdd7299249dd9bfd9a738c

PE Analysis

Basic Information

▼
Icon
Hash: e1ad7ef80a02b2db41667c9dc01738ca
Fuzzy: 31aa66190d87a4033e593a30507edc5c
dHash: 0080f0a4b698a400
Image Base 0x140000000
Entry Point 0x1400fcb9c
Compilation Time 2025-06-07 20:25:08
Checksum 0x009a03e6 (Actual: 0x009a03e6)
OS Version 6.0
PEiD Signatures PE32+ executable (GUI) x86-64, for MS Windows
PDB Path C:\Users\kjk\src\sumatrapdf\out\rel64\SumatraPDF-dll.pdb
Digital Signature An error occurred while validating the countersignature: The root Certum Trusted Network CA 2 lists its extended key usages, but {'time_stamping'} are not present
Imports 11 libraries
Exports 0 functions
Resources 47 Resources
Sections 7 Sections

Version Information

▼
FileDescription SumatraPDF
FileVersion 3.6
LegalCopyright Copyright 2006-2025 all authors (GPLv3)
ProductName SumatraPDF
ProductVersion 3.6
CompanyName Krzysztof Kowalczyk
Translation 0x0409 0x04e4

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 1,256,948 bytes 1,256,960 bytes 6.49 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ B0522D98AAE1C4E176C27C9D9C8E3922
.rdata 0x00134000 273,884 bytes 273,920 bytes 5.69 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 492E839ABF35DD424C38CECF0F783F5C
.data 0x00177000 77,000 bytes 29,184 bytes 2.90 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 595C673C8C5272AE15900F4A952F0C0C
.pdata 0x0018a000 44,208 bytes 44,544 bytes 5.98 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ FEE20532F73F118C5A35A4A009359A46
.fptable 0x00195000 256 bytes 512 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BF619EAC0CDF3F68D496EA9344137E8B
.rsrc 0x00196000 8,425,440 bytes 8,425,472 bytes 7.97 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 36D2F8EA09CDCB0BEA4E5D9D3B6B6765
.reloc 0x0099f000 9,172 bytes 9,216 bytes 5.45 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 4A5A0511549964E5793F09B7B7F48932
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 47 (8,422,869 bytes)
Resource Type Count Total Size Percentage
RT_CURSOR 1 308 bytes
0%
RT_BITMAP 1 808 bytes
0%
RT_ICON 26 355,589 bytes
4.2%
RT_DIALOG 9 4,126 bytes
0%
RT_RCDATA 3 8,059,201 bytes
95.7%
RT_GROUP_CURSOR 1 20 bytes
0%
RT_GROUP_ICON 4 388 bytes
0%
RT_VERSION 1 612 bytes
0%
RT_MANIFEST 1 1,817 bytes
0%

Certificate Chain Analysis

▼
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

An error occurred while validating the countersignature: The root Certum Trusted Network CA 2 lists its extended key usages, but {'time_stamping'} are not present

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

Trojan.Heur!.00014023 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Heur!.00014023 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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