Gridinsoft Logo
File Icon

OnlineInstaller.exe Trojan Agent Analysis

Updated 7 days ago
Checked by Malaware Check
OnlineInstaller.exe

Technical Analysis

File Name OnlineInstaller.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.217.174
Database Version 2025-05-30 23:00:17 UTC
⚠

Trojan.Win32.Agent.ko!s4

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
3,747,040
File Size (bytes)
2025-05-31
Analysis Date

Scan Another File

File Identification

Hash Type Value Action
MD5
4b042bfd9c11ab6a3fb78fa5c34f55d0
SHA1
b0f506640c205d3fbcfe90bde81e49934b870eab
SHA256
59c662a5207c6806046205348b22ee45da3f685fe022556716dbbd6643e61834
SHA512
dae5957c8eee5ae7dd106346f7ea349771b693598f3d4d54abb39940c3d1a0b5731c8d4e07c29377838988a1e93dcd8c2946ce0515af87de61bca6de450409d3
ImpHash
5bd730b74335de2d8c76ffbc12562b9c

PE Analysis

Basic Information

▼
Icon
Hash: c1c8418dd50f110f8b7361a8fe625580
Fuzzy: 0d4f5541d24364143caae38c64f294ce
dHash: 8c3232f83861acf0
Image Base 0x00400000
Entry Point 0x004534e1
Compilation Time 2018-03-21 12:57:55
Checksum 0x00398013 (Actual: 0x00398013)
OS Version 5.1
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
PDB Path C:\Users\john\Desktop\PRC20180304\Release\InstallerDrvMini.pdb
Digital Signature Chain verification from CN=Shanghai Talkus Information Co.LTD., O=Shanghai Talkus Information Co.LTD., L=Shanghai, ST=Shanghai, C=CN (serial:99742472327228725871080447901572682464, sha1:51ad640f4969077f1ef5e019dc8274d522bdcf71) failed: The path could not be validated because intermediate certificate 1 expired 2019-07-09 18:40:36Z
Imports 12 libraries
Exports 1862 functions
Resources 15 Resources
Sections 5 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 423,008 bytes 423,424 bytes 6.57 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 58953C1C9C1A317D7BBE03541269A836
.rdata 0x00069000 229,298 bytes 229,376 bytes 6.17 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ CBB9FB556B2F47EAEFE0CB94BB15BB61
.data 0x000a1000 2,471,336 bytes 2,451,968 bytes 7.53 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 343BB8F026DAEBB71145C798853CDBFD
.rsrc 0x002fd000 610,016 bytes 610,304 bytes 7.76 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ AE15F4A46A78D4C8AB821BED582D9753
.reloc 0x00392000 25,972 bytes 26,112 bytes 6.54 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 3E036755913245A963147919B0597A7C
Entropy Analysis Alert

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

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

Resource Analysis

▼
Total Resources: 15 (609,118 bytes)
Resource Type Count Total Size Percentage
KPE 5 42,726 bytes
7%
ZIPRES 1 406,007 bytes
66.7%
RT_ICON 7 159,288 bytes
26.2%
RT_GROUP_ICON 1 104 bytes
0%
RT_MANIFEST 1 993 bytes
0.2%

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

Chain verification from CN=Shanghai Talkus Information Co.LTD., O=Shanghai Talkus Information Co.LTD., L=Shanghai, ST=Shanghai, C=CN (serial:99742472327228725871080447901572682464, sha1:51ad640f4969077f1ef5e019dc8274d522bdcf71) failed: The path could not be validated because intermediate certificate 1 expired 2019-07-09 18:40:36Z

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

Trojan.Win32.Agent.ko!s4 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Agent.ko!s4 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.

Leave a Comment

Share your thoughts or insights about this file. Do you align with our conclusion?

* Your feedback could influence our rating, and rest assured, your email will remain confidential and will only be used to communicate with you if necessary.
Your Score for

Gridinsoft Anti-Malware

Cure your PC from any kind of malware

GridinSoft Anti-Malware will help you to protect your computer from spyware, trojans, backdoors, rootkits. It cleans your system from annoying advertisement modules and other malicious stuff developed by hackers.

Anti-Malware Download Now
Gridinsoft Anti-Malware