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5555.exe

Smart Apps

This is the installer application for a 50onRed advertising supported software package (displays ads in the browser and may hijack the home and search pages of the web browser). The application 5555.exe by Smart Apps has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Nullsoft Install System installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from www.updatesrv.com.
Publisher:
Smart Apps  (signed and verified)

MD5:
7bc33873400957e74a6176224a10ac8e

SHA-1:
d3de0bb669f81396abe3c65a2bc3728328e18fba

SHA-256:
fe24ceb0682402256227c07a74fb717b3be06af49a77c5c487013317b78557d9

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:
1/14/2025 9:34:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.50OnRed.SmartApp.Installer (M)
16.4.1.9

File size:
483.5 KB (495,136 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\appdata\local\temp\5555.exe

Digital Signature
Signed by:
Smart Apps

Authority:
Thawte, Inc.

Valid from:
3/24/2013 5:00:00 PM

Valid to:
3/25/2014 4:59:59 PM

Subject:
CN=Smart Apps, O=Smart Apps, L=Philadelphia, S=Pennsylvania, C=US

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

Serial number:
7CAFCF7841E5BDDF79F61691D678D0EC

File PE Metadata
Compilation timestamp:
2/19/2012 7:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
12288:Mtob5oZRu8IPjc4hAoJpEciu29jWxHVb+U0U:Mt8oZR303moJBqBW9eU

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.8838  (probably packed)

Code size:
34.5 KB (35,328 bytes)

The file 5555.exe has been seen being distributed by the following URL.

http://www.updatesrv.com/.../.eJw1jEEKgCAUBe_y1n9jhmmXCUOTSFQ0CIru3i9o-2beXLClTKvDKLXpBsJu24YRa2q7jdFXEMqLhZaKcObkP7vXSvYd_d60RBsaR4wg8BI8N0rNju9zzUfzlam4H3U0Ipk.YZyy86CnrOFKAeXSUPhmnGnyhYc

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