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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:
db66571991c3959e84c0ac15e9bf5db0

SHA-1:
128ba6e6dd70c33e5f1961bb0ba5204cf42746dd

SHA-256:
ce39c67bf8fc0e9829292582af59dcc1b98d16a3f74f7016da46c0f075ad1c26

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 5:51:09 PM 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:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{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:
6/22/2016 1:56:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:0CJszY1q5kK55B0h7zzS0C4Jb6pL+useMxYFTNqnfchFcOL2sPLH83Rzjf:VJoIqHjefWMusLwq0hFr2GrEjf

Entry address:
0x1B4000

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, AE, 37, 63, 27, 68, 20, 49, 75, 65, 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:
7.9012  (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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