dllfixer.exe

Dll-FIles.Com 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 runs as a scheduled task under the Windows Task Scheduler. 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.Com Fixer

Version:
2.7.72.2315

MD5:
823da50195746004a95077618d7ea3b6

SHA-1:
d1ce983e54c1ec94d7336785f39edc2d667d71c6

SHA-256:
1845ed2127ba4cb09aff71d9637811f5bd78a15a1774e2da32407f70ae654a1c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 9:31:33 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DLLFiles (L)
16.9.8.12

File size:
8.5 MB (8,871,088 bytes)

Product version:
2.7.72.2315

Copyright:
Copyright (C) 2011 Dll-FIles.Com. Portions Copyright (C) Systweak Inc. All rights reserved.

Trademarks:
Dll-FIles.Com Fixer

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\dllfixer.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
2/27/2012 8:00:00 AM

Valid to:
2/27/2015 7:59:59 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:
6/19/2012 4:42:20 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:tWv7qUYiPcbfbL47HxxlmChg1wxKS60N3jsvUqRJuRNYhxUGOahUzKqqj0Tkq:Qv7qUYi4GHxxgMKS/QeNYh7Nqg0Iq

Entry address:
0x101F9C

Entry point:
E8, A4, A1, 00, 00, E9, 79, FE, FF, FF, 3B, 0D, 30, B7, 63, 00, 75, 02, F3, C3, E9, 26, A2, 00, 00, 8B, FF, 51, C7, 01, 4C, E2, 5D, 00, E8, 1E, 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, D8, 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, 65, 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, F6, 45, 00, 00, 53...
 
[+]

Entropy:
6.8617

Code size:
1.8 MB (1,925,632 bytes)

Scheduled Task
Task name:
DLL-files.com Fixer_MONTHLY

Trigger:
Weekly (Runs weekly on Wednesdays at 下午 06:15)


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 ec2-52-203-251-141.compute-1.amazonaws.com  (52.203.251.141:80)

TCP (HTTP SSL):
Connects to ec2-107-21-192-215.compute-1.amazonaws.com  (107.21.192.215:443)

TCP (HTTP):
Connects to 125.235.4.59.adsl.viettel.vn  (125.235.4.59:80)

TCP (HTTP):
Connects to s3-website-us-east-1.amazonaws.com  (52.216.81.122:80)

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (52.216.32.8:80)

TCP (HTTP SSL):
Connects to ec2-54-224-71-78.compute-1.amazonaws.com  (54.224.71.78:443)

TCP (HTTP SSL):
Connects to ec2-52-91-143-92.compute-1.amazonaws.com  (52.91.143.92:443)

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