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chk1.exe

neomedia

The application chk1.exe by neomedia has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from down1.topsadon1.com.
Publisher:
neomedia  (signed and verified)

MD5:
bb30edd2e8224573325bb7055542a6f1

SHA-1:
04eeffa39d2626f176d1c5724ba41f891f44c818

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/30/2024 6:19:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Neomedia (M)
16.11.2.23

File size:
767.2 KB (785,640 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Local settings\temporary internet files\content.ie5\{random}\chk1.exe

Digital Signature
Signed by:
neomedia

Authority:
thawte, Inc.

Valid from:
1/25/2016 9:00:00 AM

Valid to:
1/25/2017 8:59:59 AM

Subject:
CN=neomedia, OU=IT Team, O=neomedia, L=Gangnam-gu, S=SEOUL, C=KR

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

Serial number:
343766F67EC25EF07DB4A9C47879EAF6

File PE Metadata
Compilation timestamp:
10/7/2016 2:16:23 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:mozIwlGi5qn/4eXIBThiD6/1nGlB4MsZoila6CAGNMSX0rzK4RqPZkCQhpPb:f/QipeXdm/1Gl6ZoiM4kQrXzCQhl

Entry address:
0x1B5000

Entry point:
83, EC, 04, 50, 53, E8, 01, 00, 00, 00, CC, 58, 8B, D8, 40, 2D, 00, 30, 0A, 00, 2D, 5D, 36, 5F, 00, 05, 52, 36, 5F, 00, 80, 3B, CC, 75, 19, C6, 03, 00, BB, 00, 10, 00, 00, 68, BC, FA, 16, 2C, 68, CF, 78, B5, 34, 53, 50, E8, 0A, 00, 00, 00, 83, C0, 00, 89, 44, 24, 08, 5B, 58, C3, 55, 8B, EC, 60, 8B, 75, 08, 8B, 4D, 0C, C1, E9, 02, 8B, 45, 10, 8B, 5D, 14, EB, 08, 31, 06, 01, 1E, 83, C6, 04, 49, 0B, C9, 75, F4, 61, C9, C2, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.9025  (probably packed)

Code size:
204 KB (208,896 bytes)

The file chk1.exe has been seen being distributed by the following URL.

http://down1.topsadon1.com/.../chk1.exe

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