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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. The file has been seen being downloaded from docviewer.yandex.com and multiple other hosts. 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:
3.0.81.2643

MD5:
91477416104dece22fb1a81148a9485e

SHA-1:
5ab8b20e60d5d59fe558e212b25f39994fbf759d

SHA-256:
2de24084d577569e7415d3dc6244eb03eca5be1f8e347d96815f105186a7785c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 5:08:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DLLFiles (L)
16.9.8.12

File size:
8.5 MB (8,943,552 bytes)

Product version:
3.0.81.2643

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

Trademarks:
DLL-Files Fixer

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
Tilf AB

Authority:
COMODO CA Limited

Valid from:
2/27/2012 3:00:00 AM

Valid to:
2/27/2015 2:59:59 AM

Subject:
CN=Tilf AB, O=Tilf AB, STREET=Norra Vallgatan 20, L=Malmö, S=skane, PostalCode=21125, C=SE

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

Serial number:
00BB32FDE7CE2BDCDDEEC9106679A55AB6

File PE Metadata
Compilation timestamp:
4/11/2013 1:34:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:YUMr5F/KIBzhayepL87S/XNteNY9ut69c:YPFCIvpi47S/mNYfO

Entry address:
0x102B79

Entry point:
E8, A6, A1, 00, 00, E9, 79, FE, FF, FF, 3B, 0D, 30, C7, 63, 00, 75, 02, F3, C3, E9, 28, A2, 00, 00, 8B, FF, 51, C7, 01, 4C, E2, 5D, 00, E8, 20, A3, 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, EB, E8, FD, 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, 58, A3, 00, 00, F7, D8, 59, 1B, C0, 59, 40, 5D, C2, 04, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 53, 33, DB, 39, 5D, 14, 75, 20, E8, 99, 45, 00, 00, 53...
 
[+]

Entropy:
6.8681

Code size:
1.8 MB (1,928,704 bytes)

The file dllfixer.exe has been seen being distributed by the following 4 URLs.

https://docviewer.yandex.com/source?id=392nc-7sbot7b5qkiehdgni15d8hjjlcpu2hhpjwtqrj03lsm2cvy9210eoldmenrlpqy490y2met52gvegabp7rwaq8ie2oar65bh5zz&archive-path=//DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK/DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK/.../DLLFixer.exe&ts=1557b358dfa&token=Q9HBu3ODGBwVF8MSCTNgiw==&name=DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK.rar

https://docviewer.yandex.com/source?id=392nc-7sbot7b5qkiehdgni15d8hjjlcpu2hhpjwtqrj03lsm2cvy9210eoldmenrlpqy490y2met52gvegabp7rwaq8ie2oar65bh5zz&archive-path=//DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK/DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK/.../DLLFixer.exe&ts=150a49c2d21&token=lsmh1oXTbGDnCsndakWu1w==&name=DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK.rar

https://docviewer.yandex.com/source?id=392nc-7sbot7b5qkiehdgni15d8hjjlcpu2hhpjwtqrj03lsm2cvy9210eoldmenrlpqy490y2met52gvegabp7rwaq8ie2oar65bh5zz&archive-path=//DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK/DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK/.../DLLFixer.exe&ts=1553d3c81b5&token=BngUwliB0YYcIKVUoXQEeQ==&name=DLL-Files.Fixer.v3.0.81.2643.Incl.Crack-ADMIN@CRACK.rar

http://dl3.fileswap.com/download/?id=Z9EiYF DdRm9xltRMD/.../lcPFRX7ZKoGgLVXCtaIg6VHJ8pR7I4xIXfsnqmJfq&h=09c1e059960f630b8f555b50f111f493&t=5299db8b

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

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

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

TCP (HTTP):
Connects to 170-72-162-69.static.reverse.lstn.net  (69.162.72.170:80)

TCP (HTTP):
Connects to s3-website-us-east-1.amazonaws.com  (54.231.41.1:80)

TCP (HTTP):
Connects to ec2-54-224-71-78.compute-1.amazonaws.com  (54.224.71.78:80)

TCP (HTTP SSL):
Connects to ec2-54-144-219-43.compute-1.amazonaws.com  (54.144.219.43:443)

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