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userstartu.exe

userstartu

UCF

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

Product:
userstartu

Version:
1, 0, 0, 1

MD5:
1ac85b8f54b8b7bd7f1fe57524295d5a

SHA-1:
ed9b14fa9d99778b3967b09421cff4167b4aac58

SHA-256:
6bec6f21ea5db8b20fb89f419890d6294f249eaf28aff2da9c6443d50ea3809b

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:
4/19/2024 7:56:58 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.UCF (M)
16.2.11.20

File size:
170.5 KB (174,600 bytes)

Product version:
1, 0, 0, 1

Copyright:
Copyright (C) 2012 UCF All rights reserved.

Original file name:
userstartu.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Windows\System32\userstartu.exe

Digital Signature
Signed by:
UCF

Authority:
Thawte, Inc.

Valid from:
5/9/2012 9:00:00 AM

Valid to:
7/9/2013 8:59:59 AM

Subject:
CN=UCF, O=UCF, L=Haeundae-gu, S=BUSAN, C=KR

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

Serial number:
515CF82EE849A6D6D3BE2DBC94DC062A

File PE Metadata
Compilation timestamp:
3/27/2013 4:41:08 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:rLL9qV8MQYu/yXebkRLXY0TuYsRxliyrVtif2GtjIOZ84hrPg5o:vhqV8MQYu/yXLRLo0TuhRxkybe2AjI70

Entry address:
0xCE340

Entry point:
60, BE, 00, C0, 4A, 00, 8D, BE, 00, 50, 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:
7.7504

Packer / compiler:
UPX 2.90LZMA

Code size:
140 KB (143,360 bytes)

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