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The rtmcodecs.dll (Microsoft Real Time Media Codec Library) File Analysis

Updated 2 months ago
Checked by Malaware Check
rtmcodecs.dll

Technical Analysis

File Name rtmcodecs.dll
File Type
PE32+ executable (DLL) (console) x86-64, for MS Windows
Scanner Version 1.0.210.174
Database Version 2025-03-12 22:00:46 UTC
✓

Clean File

No threats detected by our scanner

0%
Detection Rate
1,091,936
File Size (bytes)
2025-03-12
Analysis Date

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File Identification

Hash Type Value Action
MD5
7b2fb7f1efb8fe97afca278f5c78ee92
SHA1
3f49d0226377bfc40f2850f7f79785e2955536fa
SHA256
9bf0706ae55b5d392042dd364e21c56ea6922036741988c9b4ecb621e2a90844
SHA512
d74159381e61591d944bc3edb879d6fd210db681613edb1e364872c6c5a7da1a200c1e17a556faaa63157aacd79ffe85e59ee1dffc252463f97a910c2a3725f9
ImpHash
989c1aa91f80294b3d34ac38d168abba

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x180006990
Compilation Time 2020-01-07 00:24:47
Checksum 0x0010ac77 (Actual: 0x0010ac77)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (console) x86-64, for MS Windows
PDB Path D:\a\_work\1\s\MSRTC\msrtc\build.d\output\release\RtmCodecs.pdb
Digital Signature OK
Imports 29 libraries
Exports 95 functions
Resources 2 Resources
Sections 7 Sections

Version Information

▼
CompanyName Microsoft Corporation
FileDescription Microsoft Real Time Media Codec Library
FileVersion 2018.6.1.57:releases/CL2018.R06:489934d3427ba175f96a716e69f1346e123a6779:(BuildId:25316617:release)
InternalName RTMCodecs.dll
LegalCopyright © Microsoft Corporation. All rights reserved.
OriginalFilename RTMCodecs.dll
ProductName Microsoft® Skype™ Media Stack
ProductVersion 2018.6.1.57
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 846,108 bytes 846,336 bytes 6.53 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D0AE85F7EA5B7E830BC8AC30318E17C6
.rdata 0x000d0000 152,046 bytes 152,064 bytes 4.93 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ D987C8D2DA07BED030FD07D0A49EA14D
.data 0x000f6000 83,288 bytes 46,080 bytes 4.65 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE A0FDCE81EEBF3DE405D87385566BE528
.pdata 0x0010b000 28,620 bytes 28,672 bytes 5.93 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 580F063DF081CFFFF92178F3BBEC75CB
.didat 0x00112000 208 bytes 512 bytes 1.50 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 7496DA54B9660B36DEE0DC4FC5ED8132
.rsrc 0x00113000 1,600 bytes 2,048 bytes 3.51 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 0D0FD1F98BDF013E71C6DA35143F429E
.reloc 0x00114000 5,816 bytes 6,144 bytes 5.38 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 95D0E6B71E00A6770A929087072592DA
Entropy Analysis Alert

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

Resource Analysis

▼
Total Resources: 2 (1,437 bytes)
Resource Type Count Total Size Percentage
RT_VERSION 1 1,056 bytes
73.5%
RT_MANIFEST 1 381 bytes
26.5%

Certificate Chain Analysis

▼
Certificate Information
Product Microsoft® Skype™ Media Stack
Description Microsoft Real Time Media Codec Library
File Version 2018.6.1.57:releases/CL2018.R06:489934d3427ba175f96a716e69f1346e123a6779:(BuildId:25316617:release)
Original Name RTMCodecs.dll
Signing Date 12:44 AM 01/07/2020 (1978 days ago)
Verification Status Signed
Signers Skype Software Sarl; Microsoft Code Signing PCA 2011; Microsoft Root Certificate Authority 2011
Counter Signers Microsoft Time-Stamp Service; Microsoft Time-Stamp PCA 2010; Microsoft Root Certificate Authority 2010
Internal Name RTMCodecs.dll
Copyright © Microsoft Corporation. All rights reserved.
Certificate Chain Summary
Skype Software Sarl #1 Primary
Validity Period: 2019-03-27 19:27:19 → 2020-03-27 19:27:19
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 45 10 EB F8 9A D7 99 40 E7 00 00 00 00 01 45
Microsoft Code Signing PCA 2011 #2 Chain
Validity Period: 2011-07-08 20:59:09 → 2026-07-08 21:09:09
Signature Algorithm: sha256RSA
Serial Number: 61 0E 90 D2 00 00 00 00 00 03
Microsoft Time-Stamp Service #3 Chain
Validity Period: 2019-10-23 23:19:21 → 2021-01-21 23:19:21
Signature Algorithm: sha256RSA
Serial Number: 33 00 00 01 12 24 73 A3 35 86 69 13 0F 00 00 00 00 01 12
Microsoft Time-Stamp PCA 2010 #4 Chain
Validity Period: 2010-07-01 21:36:55 → 2025-07-01 21:46:55
Signature Algorithm: sha256RSA
Serial Number: 61 09 81 2A 00 00 00 00 00 02

✓ This file has been digitally signed and the certificate chain has been verified

  • The signature ensures file integrity and authenticity from the publisher
  • Timestamping proves when the signature was applied
Certificate Verification Status

OK

Remember: This is Result of Online Virus Scanner

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Keep Your System Protected

This file appears clean, but regular security maintenance is important

  1. Regular Scans: Run weekly system scans to detect new threats before they can cause damage.
  2. Keep Software Updated: Ensure your operating system and all applications have the latest security patches.
  3. Safe Browsing: Avoid suspicious websites and never download software from untrusted sources.
  4. Email Security: Be cautious with email attachments and links, even from known contacts.
Proactive Protection
This file passed all security checks, but stay vigilant. New malware variants appear daily that can evade detection. Always verify files come from official sources and check digital signatures when available.

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