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userstart_iumse.exe

userstart

UCF

The application userstart_iumse.exe, “userstart installer” by UCF has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software.
Publisher:
UCF  (signed and verified)

Product:
userstart

Description:
userstart installer

Version:
1, 0, 0, 1

MD5:
437d03b7fee4437861f3ecb72f441694

SHA-1:
c89fc2f8751fab99f7efaf79723efa1ba5fadfa0

SHA-256:
5e504d0bf6de629fabf126d3d6e511353fa61ad5251f928e755454d0ce41c42e

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 10:28:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.2.23.17

File size:
139.5 KB (142,840 bytes)

Product version:
1, 0, 0, 1

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

Original file name:
userstart_setup.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\userstart_iumse.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:
1/18/2013 7:44:44 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x46970

Entry point:
60, BE, 00, C0, 42, 00, 8D, BE, 00, 50, FD, 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:
7.7064

Packer / compiler:
UPX 2.90LZMA

Code size:
108 KB (110,592 bytes)

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