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mediacodec.exe

The application mediacodec.exe has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from d35vkgvsnerpak.cloudfront.net.
MD5:
69c2ada429ec9652eeaa6f3abd220831

SHA-1:
8d803f7b1951969e5d6483e5f1d49c13ee7d5cd5

SHA-256:
2eec08115bfda32745077c8c3a8815704911f15c926fd96e4a5a29a60cbec3f3

Scanner detections:
4 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/16/2024 9:50:52 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:PUP-gen [PUP]
160327-1

Dr.Web
Trojan.InstallCore.1903
9.0.1.05190

ESET NOD32
Win32/InstallCore.AGX potentially unwanted application
8.0.319.0

Reason Heuristics
PUP.InstallCore.EST (M)
16.4.26.21

File size:
664.5 KB (680,440 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\mediacodec.exe

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:VwvpAmEPiDr0PzKPRtLGthxBN2bAj/ZuYft6mJTQ/SEGy6q81S10cGiC+9bPqsrD:Vwv6mEA0bwWRHjRuoEmJjEG5Y10fiCsF

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8430

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file mediacodec.exe has been seen being distributed by the following URL.

http://d35vkgvsnerpak.cloudfront.net/MediaCodec.exe

Remove mediacodec.exe - Powered by Reason Core Security
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