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Oa.dll Trojan Heuristic Analysis

Updated 28 days ago
Checked by Malware Check
oa.dll

Technical Analysis

File Name oa.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.216.174
Database Version 2025-05-18 08:00:27 UTC
⚠

Trojan.Heur!.03212022

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
19,381,248
File Size (bytes)
2025-05-18
Analysis Date

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File Identification

Hash Type Value Action
MD5
db7dc94b6f2e930beff1c85199b7c3cf
SHA1
1c5b60dabe8e76cc0715b9f31e0a92cf6d409914
SHA256
1eb3cddbd12e4d902cc7c4c3909c63bbcfd9b3e76caf35c8a7cb9162744fcb26
SHA512
cb1221388e76df17fb50548858a0e5edf1deb3c54117ae23b829fa8a55bf752f366d2649dd45d1d343c0cec544b9d3462869c55a2b1b27691f87ace932ebed12
ImpHash
8ff5121d871396b62ca8c40c51ccafe4

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180d1ba96
Compilation Time 2024-12-30 15:49:07
Checksum 0x00000000 (Actual: 0x01283a4d)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 14 libraries
Exports 1 functions
Resources 1 Resources
Sections 12 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 173,760 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.rdata 0x0002c000 57,550 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.data 0x0003b000 8,856 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.pdata 0x0003e000 8,484 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.e9_ 0x00041000 248 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.zW` 0x00042000 828 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.xgcl 0x00043000 4,096 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.a4] 0x00044000 13,393,144 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D41D8CD98F00B204E9800998ECF8427E
.RW4 0x00d0a000 3,544 bytes 3,584 bytes 0.24 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE C887F040B2987666D245A5F8BBFD7BF0
.liK 0x00d0b000 19,375,228 bytes 19,375,616 bytes 7.89 (Packed/Encrypted) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_NOT_PAGED|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 38459707A863DE8CA036B4BA4BB28947
.reloc 0x01f86000 284 bytes 512 bytes 2.60 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 35678EE910014D40EA434E6EDF06E69A
.rsrc 0x01f87000 233 bytes 512 bytes 2.54 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 7D2AE2772C211EDC94142D40FD338311
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 1 (145 bytes)
Resource Type Count Total Size Percentage
RT_MANIFEST 1 145 bytes
100%

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

No valid SignedData structure was found.

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

Trojan.Heur!.03212022 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Heur!.03212022 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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