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daumpotencoder.exe

Postmedia Co.,Ltd

The application daumpotencoder.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. 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:
824dba60c838edcdbb89e5ee71aeb48b

SHA-1:
0679809818ce6cc77e738a0c9118b6481e213caf

SHA-256:
08b8020638a5fd7fa909ee4f87a6860f42ab40371d268811c893199a2e551011

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:
5/3/2024 10:57:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.3.1

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\inetcache\ie\{random}\daumpotencoder.exe

Digital Signature
Signed by:
Postmedia Co.,Ltd

Authority:
thawte, Inc.

Valid from:
7/28/2016 12:00:00 PM

Valid to:
10/28/2017 12:59:59 PM

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 4:52:13 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 daumpotencoder.exe has been seen being distributed by the following URL.

http://winutil.co.kr/dn.asp?hash=ce1437653c05e83e3a354c23be70d913be45f4ae

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