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zcodec_20140210.exe

Postmedia Co.,Ltd

The application zcodec_20140210.exe by Postmedia Co.,Ltd has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from winutil.co.kr.
Publisher:
Postmedia Co.,Ltd  (signed and verified)

Description:
utiltop

Version:
1.1.0.1

MD5:
4cf18512b13ec7c182addc7e1e5cdeed

SHA-1:
182f2fafea94222fd07608a8b6790717fe44081c

SHA-256:
89793eb0f5a0eefef64a70046afecb4a77bed26f8e0e107c318e132bcbf3c6d4

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/15/2024 11:44:34 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.22.23

File size:
1.8 MB (1,895,128 bytes)

Product version:
1.1.0.1

Original file name:
utiltop.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\zcodec_20140210.exe

Digital Signature
Signed by:
Postmedia Co.,Ltd

Authority:
thawte, Inc.

Valid from:
7/28/2016 9:00:00 AM

Valid to:
10/28/2017 8:59:59 AM

Subject:
CN="Postmedia Co.,Ltd", O="Postmedia Co.,Ltd", L=Busan, S=Nam-gu, C=KR

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
50E030B821D2DAC20888E27A5A1DBE51

File PE Metadata
Compilation timestamp:
8/22/2013 1:52:13 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x10CAF4

Entry point:
E8, 0F, 7B, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, 90, 5C, 58, 00, 75, 02, F3, C3, E9, 96, 7B, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 14, 56, 85, C0, 74, 41, 83, 7D, 08, 00, 75, 13, E8, 98, 23, 00, 00, 6A, 16, 5E, 89, 30, E8, 04, 7E, 00, 00, 8B, C6, EB, 2A, 83, 7D, 10, 00, 74, E7, 39, 45, 0C, 73, 0E, E8, 7A, 23, 00, 00, 6A, 22, 59, 89, 08, 8B, F1, EB, DE, 50, FF, 75, 10, FF, 75, 08, E8, F8, 06, 00, 00, 83, C4, 0C, 33, C0, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 4D, 10, 85, C9, 74, 1B, 8B, 45, 0C, 0F, B7, D0, 8B, C2...
 
[+]

Entropy:
6.3729

Code size:
1.2 MB (1,257,984 bytes)

The file zcodec_20140210.exe has been seen being distributed by the following URL.

http://winutil.co.kr/dn.asp?hash=54b245d28e3a5543a5b7c7c1afb141d375d67bdb

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