EFupdater.exe

Express Files Updater

Faglaro Enterprises Limited

The application EFupdater.exe by Faglaro Enterprises Limited has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the SimpleFiles installer. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. It uses the ExpressFiles installer to bundle additional adware offers such as toolbars and web browser addons. While running, it connects to the Internet address mail.smile-files.com on port 80 using the HTTP protocol.
Publisher:
http://www.express-files.com/  (signed by Faglaro Enterprises Limited)

Product:
Express Files Updater

Version:
1,0,0,0

MD5:
07f0ba98afc5a4fe92c2e30a326f9830

SHA-1:
1d1851e2a9b3e93f0bc4f417020cce3f83e9bbfd

SHA-256:
43b5b23c2976d158018d353fcde8d411e9083416da0ef168215ba191899bad16

Scanner detections:
11 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
6/22/2018 11:50:24 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Expressfiles-B [PUP]
2014.9-131224

Bkav FE
W32.Clod5ca.Trojan
1.3.0.4613

Boost by Reason
Optional.Task.FaglaroEnterprisesLimited.J
188838

Dr.Web
Tool.DownLoader.52
9.0.1.019

ESET NOD32
Win32/YourFileDownloader (variant)
7.8943

G Data
Win32.Application.ExpressFiles
13.12.22

Kingsoft AntiVirus
Win32.Troj.Generic.a.(kcloud)
331020.49267

Panda Antivirus
Suspicious file
14.01.19.05

Reason Heuristics
PUP.Task.FaglaroEnterprisesLimited.J
14.8.7.22

Trend Micro House Call
TROJ_GEN.F47V0705
7.2.358

VIPRE Antivirus
ExpressFiles Installer
22588

File size:
186.6 KB (191,096 bytes)

Product version:
1,0,0,0

Copyright:
Copyright http://www.express-files.com/ (C) 2012

Original file name:
EFupdater.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SimpleFiles

Language:
Russian (Russia)

Common path:
C:\Program Files\expressfiles\efupdater.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
12/16/2011 12:00:00 AM

Valid to:
12/15/2012 11:59:59 PM

Subject:
CN=Faglaro Enterprises Limited, O=Faglaro Enterprises Limited, STREET="Konstantinoupoleos, 22", L=Nicosia, S=Aglantzia/Cyprus, PostalCode=2107, C=CY

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00DD2A4BBB66262A8FB4E084560573E908

File PE Metadata
Compilation timestamp:
3/26/2012 9:59:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:YZLmcEAbJMjc9HxeNDOE2JLVKCdFf0flY:CmczbJMjSxM2RVKy7

Entry address:
0x40CF0

Entry point:
60, BE, 00, E0, 42, 00, 8D, BE, 00, 30, 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...
 
[+]

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

Code size:
76 KB (77,824 bytes)

Scheduled Task
Task name:
Express Files Updater

Trigger:
Logon (Runs on logon)


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

TCP (HTTP):
Connects to mail.smile-files.com  (46.23.68.149:80)

TCP (HTTP):
Connects to 199.195.196.180.static.midphase.com  (199.195.196.180:80)

TCP (HTTP):
Connects to araxxe.vodafone.com.gh  (80.87.70.180:80)

TCP (HTTP):
Connects to ip-172-24-8-1.ec2.internal  (172.24.8.1:80)

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