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stu1004.exe

nbiz Ltd.

The application stu1004.exe by nbiz has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
nbiz Ltd.  (signed and verified)

MD5:
666c73a4ef445ff9f0d79a7ed0e4e3f2

SHA-1:
3821367b35502a6be1002a70861d3552cd34213d

SHA-256:
d77ff4d828a9c685c73516c89330be905c8761874b202f0013f95e87a41ee090

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:
4/25/2024 11:03:53 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.29.23

File size:
77.2 KB (79,016 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\windows\temp\stu1004.exe

Digital Signature
Signed by:
nbiz Ltd.

Authority:
Thawte Consulting (Pty) Ltd.

Valid from:
11/17/2009 9:00:00 AM

Valid to:
12/18/2010 8:59:59 AM

Subject:
CN=nbiz Ltd., OU=Development Department, O=nbiz Ltd., L=Gangnam-gu, S=Seoul, C=KR

Issuer:
CN=Thawte Code Signing CA, O=Thawte Consulting (Pty) Ltd., C=ZA

Serial number:
33C94BE607A8FCA76527503BC6F9940A

File PE Metadata
Compilation timestamp:
10/18/2010 2:31:42 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x37230

Entry point:
60, BE, 00, 60, 42, 00, 8D, BE, 00, B0, FD, FF, 57, EB, 0B, 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, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB...
 
[+]

Entropy:
7.8250

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
72 KB (73,728 bytes)

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