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dllfixer.exe

DLL-Files Fixer

Tilf AB

The application dllfixer.exe by Tilf AB has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘RDReminder’. While running, it connects to the Internet address dd.e7.25ae.ip4.static.sl-reverse.com on port 80 using the HTTP protocol.
Publisher:
Dll-FIles.Com  (signed by Tilf AB)

Product:
DLL-Files Fixer

Version:
3.3.90.3079

MD5:
1257617db7633dda700eb1bef4620e5d

SHA-1:
f6e1e2ec8eab24291d74622d7393641a0d427e90

SHA-256:
2013122bf1d8322bcfa62b817d5c4769aec0b7ee5fe24834ffe0f7cfb231723e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 7:37:56 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DLLFiles (L)
16.9.8.12

File size:
10.2 MB (10,649,136 bytes)

Product version:
3.3.90.3079

Copyright:
Copyright (C) 2012 Dll-FIles.Com. All rights reserved.

Trademarks:
DLL-Files Fixer

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\dll-files.com fixer\dllfixer.exe

Digital Signature
Signed by:
Tilf AB

Authority:
COMODO CA Limited

Valid from:
2/3/2015 2:00:00 AM

Valid to:
2/3/2017 1:59:59 AM

Subject:
CN=Tilf AB, O=Tilf AB, STREET=Stortorget 13b, L=Malmoe, S=Skane, PostalCode=21122, C=SE

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

Serial number:
0C307FFA70E019AF463E7B1566F4304A

File PE Metadata
Compilation timestamp:
10/30/2015 12:35:04 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:8bsVBFfO57LTHuw5h3qaOJ/rNvLgcaCgNaRV8aS/XNxzqsYJAwR2xV:8846JhHtgNaRV8aS/busYVIV

Entry address:
0x20181E

Entry point:
E8, 75, B2, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, F0, EB, 78, 00, 75, 02, F3, C3, E9, FC, B2, 00, 00, 8B, FF, 51, C7, 01, 40, DE, 70, 00, E8, F4, B3, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 56, 8B, F1, E8, E3, FF, FF, FF, F6, 45, 08, 01, 74, 07, 56, E8, 4A, F4, EF, FF, 59, 8B, C6, 5E, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 83, C1, 09, 51, 83, C0, 09, 50, E8, 33, B4, 00, 00, F7, D8, 59, 1B, C0, 59, 40, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 53, 57, 33, DB, 6A, 07, 33, C0, 59, 8D, 7D, E4, 89, 5D...
 
[+]

Code size:
2.9 MB (3,013,120 bytes)

5 Scheduled Tasks
Task name:
RDReminder

Trigger:
Logon (Runs on logon)

Task name:
DLL-Files.Com Fixer_MONTHLY

Trigger:
Weekly (Runs weekly on Wednesdays at 10:55 PM)

Task name:
DLL-Files.Com Fixer_Updates

Trigger:
Weekly (Runs weekly on Saturdays at 10:55 PM)

Task name:
DLL-Files FixerASKUSER

Trigger:
Daily (Runs daily at 02:22)

Task name:
DLL-Files Fixer

Trigger:
Daily (Runs daily at 14:40)


Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
RDReminder

Command:
C:\Program Files\dll-files.com fixer\dllfixer.exe -rem


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

TCP (HTTP):
Connects to dd.e7.25ae.ip4.static.sl-reverse.com  (174.37.231.221:80)

TCP (HTTP):
Connects to a0.f0.2bd0.ip4.static.sl-reverse.com  (208.43.240.160:80)

TCP (HTTP):
Connects to edge-star-mini-shv-01-ams3.facebook.com  (31.13.91.36:80)

TCP (HTTP):
Connects to ec2-107-21-192-215.compute-1.amazonaws.com  (107.21.192.215:80)

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