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pkjinst.exe

raonmedia

The application pkjinst.exe by raonmedia has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
raonmedia  (signed and verified)

MD5:
4758d52e9611325b4911da9892e011bb

SHA-1:
72cdf4e639433a9dbb501b6e55c611525c74711f

SHA-256:
81875bac029d37b91e94fc259ffe636b52f154b04935c49b7ae48e7e36b99f2a

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
4/26/2024 4:30:47 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.raonmedia (M)
16.2.25.2

File size:
664.1 KB (680,080 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\windows\temp\pkjinst.exe

Digital Signature
Signed by:
raonmedia

Authority:
Thawte, Inc.

Valid from:
10/27/2011 9:00:00 AM

Valid to:
10/27/2012 8:59:59 AM

Subject:
CN=raonmedia, OU=Dev Team, O=raonmedia, L=Suyeong-gu, S=Busan, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
728A8FA30BF47A94EE758FF62188B2CC

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ziWH1oTTVJ9XGFw6SkKgvj2+/FoH2NehuI+w9SoMk9:zvHqfVJhGFw5Yvj2okvua9SoMk9

Entry address:
0x13F8E0

Entry point:
60, BE, 00, F0, 4A, 00, 8D, BE, 00, 20, F5, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.7266

Packer / compiler:
UPX 2.90LZMA

Code size:
580 KB (593,920 bytes)

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