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smtb_updater.exe

My Smart Tabs Updater

Sevas-S LLC

The application smtb_updater.exe by Sevas-S has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a scheduled task under the Windows Task Scheduler named MySmartTabsUpdater triggered to execute each time a user logs in.
Publisher:
Sevas-S  (signed by Sevas-S LLC)

Product:
My Smart Tabs Updater

Version:
2.0.0.0

MD5:
261554053e2299a80aec3e83e11fe15b

SHA-1:
09cc03d087a9bb1f8dfd76ea4e8488c1a2df2057

SHA-256:
5cf4b95b450612caa546830120a2504ea4ab3fdec3ce50a68644db07ac47d0e0

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:
12/25/2024 12:39:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Task.SevasS.M
14.8.7.20

File size:
2.7 MB (2,877,288 bytes)

Product version:
2.0.0.0

Copyright:
Copyright (C) Sevas-S LLC

Original file name:
smtb_updater.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\sevas-s\my smart tabs\smtb_updater.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
1/23/2012 2:00:00 AM

Valid to:
1/23/2013 1:59:59 AM

Subject:
CN=Sevas-S LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Sevas-S LLC, L=Kyiv, S=Kyivska oblast, C=UA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6B59CDE153F9D6B8052599E505477C19

File PE Metadata
Compilation timestamp:
10/22/2012 2:07:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:TROdG+axqgvs8N/yz/8Q3llJhLY0SjvVyIXaQJQkFncStNCDnSdfliSCrieJ8Eai:T3+e7UcyzEQ1ljk0eLX9BFncvStlj1Ej

Entry address:
0x1000

Entry point:
B8, 58, 7E, C2, 00, 50, 64, FF, 35, 00, 00, 00, 00, 64, 89, 25, 00, 00, 00, 00, 33, C0, 89, 08, 50, 45, 43, 6F, 6D, 70, 61, 63, 74, 32, 00, 39, A4, F7, E8, 55, 79, CC, C5, 03, 2A, BE, E5, 1B, AD, 9C, 09, D5, 9D, 82, AE, AA, 61, 87, 82, 67, 96, CF, 7F, BF, 22, 5C, 7E, 8E, 6B, 18, D4, E3, 72, 94, 6E, 83, 26, B2, AE, 84, F4, 69, 19, 42, 1C, A7, E0, 20, 3A, 46, 1F, 0D, 9A, CD, 1C, D2, CF, 1C, D7, 3B, 9D, 97, 64, 80, 9D, 7D, DD, F5, FB, B8, 23, 3E, 17, 3A, 3D, FA, D8, 05, 07, 3E, 82, AC, 54, 1C, 8C, 46, 97, 7E...
 
[+]

Entropy:
7.9988

Packer / compiler:
PECompact v2

Code size:
5.9 MB (6,214,144 bytes)

Scheduled Task
Task name:
MySmartTabsUpdater

Trigger:
Logon (Runs on logon)


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to ec2-23-21-66-175.compute-1.amazonaws.com  (23.21.66.175:80)

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