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dtchk.exe

Search Results, LLC

The application dtchk.exe by Search Results 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 DTChk triggered daily at a specified time. While running, it connects to the Internet address 224-124-232-198.static.unitasglobal.net on port 80 using the HTTP protocol.
Publisher:
Search Results, LLC  (signed and verified)

Product:
Search Results, LLC

Description:
DT Check

Version:
1.0.0.0

MD5:
07f47baebdaeab76fc1cd346eb1aba33

SHA-1:
7b219f0088dd8c91a1353ccf8591cb6beec44d3f

SHA-256:
f6e98f08c1dde3679829b5f0816800e1811906c7289162b0a9fa845ab0b45a39

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:
12/24/2024 12:39:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Task.SearchResults.F
14.8.7.17

File size:
138.1 KB (141,424 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\public\util\dtchk.exe

Digital Signature
Signed by:
Search Results, LLC

Authority:
COMODO CA Limited

Valid from:
4/25/2012 8:00:00 AM

Valid to:
4/26/2014 7:59:59 AM

Subject:
CN="Search Results, LLC", O="Search Results, LLC", STREET="2751 Hennepin Ave S #252", L=Minneapolis, S=MN, PostalCode=55405, C=US

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

Serial number:
00B6815DF3B6D64839E008D65B53EF0170

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
3072:y3rxJwgJg27LErd4+ipwVyzj35r1i1rxQr14lH2qrCV1:EC27LEDVyn5CrxK14UqK

Entry address:
0x59001

Entry point:
60, E8, 03, 00, 00, 00, E9, EB, 04, 5D, 45, 55, C3, E8, 01, 00, 00, 00, EB, 5D, BB, ED, FF, FF, FF, 03, DD, 81, EB, 00, 90, 05, 00, 83, BD, 88, 04, 00, 00, 00, 89, 9D, 88, 04, 00, 00, 0F, 85, CB, 03, 00, 00, 8D, 85, 94, 04, 00, 00, 50, FF, 95, A9, 0F, 00, 00, 89, 85, 8C, 04, 00, 00, 8B, F0, 8D, 7D, 51, 57, 56, FF, 95, A5, 0F, 00, 00, AB, B0, 00, AE, 75, FD, 38, 07, 75, EE, 8D, 45, 7A, FF, E0, 56, 69, 72, 74, 75, 61, 6C, 41, 6C, 6C, 6F, 63, 00, 56, 69, 72, 74, 75, 61, 6C, 46, 72, 65, 65, 00, 56, 69, 72, 74...
 
[+]

Entropy:
7.8467

Packer / compiler:
ASPack v2.12

Code size:
276 KB (282,624 bytes)

Scheduled Task
Task name:
DTChk

Trigger:
Daily (Runs daily at 9:06 AM)


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

TCP (HTTP):
Connects to 224-124-232-198.static.unitasglobal.net  (198.232.124.224:80)

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